---
title: How a car is built — how Mova does on the tests · Technology
description: Lesson 8 of the technology course of Mova's primary school: 7 of 11 tests right, exam 2 of 4, every question with the options, the student's choice, the right answer and why it chose.
---

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# How a car is built

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**Tests:** 7 of 11 right · **Exam:** 2 of 4 right · **Kind:** ★ · **Understood:** 9 of 15 · **Run:** 2026-10-18, commit `f3c23ea72`

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Lesson 8 of the technology course of Mova's primary school, as Mova's small model took its tests: it had read this lesson and the ones before it and learned from their exercises. Each test shows the options in the order the student saw them, its choice, the right answer, the score of every option and why it chose. The lesson itself, sentence by sentence with trees and pragmatics: [the lesson in the corpora](https://md.mova.elamur.ai/free/en/corpora/school/technology/8-how-a-car-is-built/).

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Every question of this lesson and each of its options parsed by Mova, with trees and pragmatics: [the lesson's questions in the corpora](https://md.mova.elamur.ai/free/en/corpora/questions/technology/8-how-a-car-is-built/).

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### Test 1 · ★ · wrong ✗ {#t1}

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«robots build the whole car, no people at all, right?» What is right?

- **1.** No, people still build cars entirely by hand with no machines — **← Mova's choice** · score 6
- **2.** Robots only carry the coffee and post around there — no support
- **3.** Yes, not one person works in any car factory any more — no support
- **4.** Robots do much welding and painting, but people still build and check — **✓ the right answer** · no support

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**Why:** It took the question to ask which statement is true. It chose option 1 with score 6, the only option with support. Its support: lesson 1, line 7: «In 1913 Henry Ford's moving assembly line cut the time to build a car from about twelve hours to about an hour and a half.», reached through the remembered sentence the question matched. What matched: the same action «build» (+4); the same thing acted on «car» (+4). Against it: a different doer (counts against) (-2). The right option, 4, found no support in what it remembers. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/technology/8-how-a-car-is-built/t1/)

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### Test 2 · ★ · right ✓ {#t2}

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«crash-test dummies are just shop mannequins» What is right?

- **1.** Yes, plain shop dummies in clothes, just heavier — no support
- **2.** They are robots that sit in and drive the cars — no support
- **3.** They are full of sensors that measure what a crash would do to people — **← Mova's choice** · **✓ the right answer** · score 6
- **4.** They are statues kept at the factory for decoration — no support

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**Why:** It took the question to ask which statement is true. It chose option 3 with score 6, the only option with support. Its support: lesson 8, line 11: «Crash-test dummies full of sensors ride in new cars that are crashed on purpose, and they come in sizes including children and babies; groups like Euro NCAP pu…», reached through the remembered sentence the question matched. What matched: the same doer «test dummies» (+4); the same property (+2). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/technology/8-how-a-car-is-built/t2/)

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### Test 3 · ★ · wrong ✗ {#t3}

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«windscreen got hit by a stone, cracked like a web but didn't fall in, weird» Why?

- **1.** The stone was too small to really hurt the glass — **← Mova's choice** · no support
- **2.** The windscreen is not real glass, just thin plastic — no support
- **3.** The glass was frozen at the time, so it held — no support
- **4.** The plastic layer between two sheets of glass holds the pieces — **✓ the right answer** · no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/technology/8-how-a-car-is-built/t3/)

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### Test 4 · ★ · right ✓ {#t4}

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What would happen if a speck of dust landed on a car while it was being painted?

- **1.** It would make the whole car rust at once — no support
- **2.** It would show as a bump in the paint — **← Mova's choice** · **✓ the right answer** · score 6
- **3.** It would make the paint shinier — no support
- **4.** It would be painted over and vanish for good — no support

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**Why:** It took the question to ask what happens next. It chose option 2 with score 6, the only option with support. Its support: lesson 8, line 9: «Paint shops are kept dust-free because one speck under the paint shows as a bump.», reached through the option's own match among the sentences about the question's things. What matched: the same action «show» (+2); the same doer «one speck» (+2); the same circumstance (+2). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/technology/8-how-a-car-is-built/t4/)

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### Test 5 · ★ · right ✓ {#t5}

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«why's my little bro need a booster seat, he's fine with the belt» What is the safe answer?

- **1.** Children need the right seat so the belt fits them safely — **← Mova's choice** · **✓ the right answer** · score 12
- **2.** Booster seats are only there to make the ride comfier — no support
- **3.** Boosters only matter on motorways, not in town — no support
- **4.** A seat belt fits everyone the same, big or small — no support

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**Why:** It took the question to ask why something happens (its cause). It chose option 1 with score 12, the only option with support. Its support: lesson 8, line 12: «Crash tests are why every seat has a belt and children need the right car seat or booster for their size, so the belt sits across them safely.», reached through the cause of the sentence the question matched. What matched: the same action «need» (+4); the same doer «children» (+4); the same thing acted on «right car seat» (+4). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/technology/8-how-a-car-is-built/t5/)

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### Test 6 · ★ · wrong ✗ {#t6}

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Each car has 4 wheels and a spare tyre. How many tyres for 5 cars?

- **1.** 21 — **← Mova's choice** · no support
- **2.** 20 — no support
- **3.** 9 — no support
- **4.** 25 — **✓ the right answer** · no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/technology/8-how-a-car-is-built/t6/)

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### Test 7 · ★ · right ✓ {#t7}

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«car factory makes like 1 car a week tops» What is right?

- **1.** It takes a whole year of work to finish each car — score 8
- **2.** A modern factory can finish a car about every minute or two — **← Mova's choice** · **✓ the right answer** · score 14
- **3.** A thousand cars roll out of every factory every single minute — no support
- **4.** Yes, one car a week is the most any factory can do — no support

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**Why:** It took the question to ask which statement is true. It chose option 2 with score 14, against 8 for the next best. Its support: lesson 8, line 10: «On the final assembly line the painted body moves slowly while workers and robots add the engine, wheels, seats, wires and windows, each doing one job; a moder…», reached through the remembered sentence the question matched. What matched: the same action «finish» (+4); the same doer «modern factory» (+4); the same thing acted on «car» (+4); the same property (+2). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/technology/8-how-a-car-is-built/t7/)

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### Test 8 · ★ · wrong ✗ {#t8}

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«saw them hosing new cars at the factory, are they just mucky?» What is most likely?

- **1.** The cars are being painted with coloured water — **← Mova's choice** · score 8
- **2.** It is a rain booth test for leaks — **✓ the right answer** · no support
- **3.** The water cools the hot engines down — score 0
- **4.** They are washed to look nice for the shop window — score 8

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**Why:** It took the question to ask what it is done to. It chose option 1 with score 8, tied with another option at 8 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 8, line 4: «Every new car is started, driven a little and sprayed with water to check for leaks, and some cars are crashed on purpose with dummies full of sensors so engin…», reached through the remembered sentence the question matched. What matched: it fills the role the question asks for (+6); the same thing acted on «cars» (+4). Against it: a different action (counts against) (-2). The right option, 2, found no support in what it remembers. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/technology/8-how-a-car-is-built/t8/)

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### Test 9 · ★ · right ✓ {#t9}

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A transporter carries 8 cars. How many transporters are needed for 40 cars?

- **1.** 5 — **← Mova's choice** · **✓ the right answer** · no support
- **2.** 48 — no support
- **3.** 4 — no support
- **4.** 32 — no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/technology/8-how-a-car-is-built/t9/)

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### Test 10 · ★ · right ✓ {#t10}

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«tyres are black cos of road dirt, they start off white» What is right?

- **1.** Carbon black is mixed in at the factory, making them stronger — **← Mova's choice** · **✓ the right answer** · score 4
- **2.** Rubber trees give black rubber, so it stays that way — no support
- **3.** Yes, tyres start off white and only get black from road dirt — no support
- **4.** They are dyed black just for style, like shoes — score 2

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**Why:** It took the question to ask which statement is true. It chose option 1 with score 4, against 2 for the next best. Its support: lesson 8, line 15: «Tyres are rubber mixed with carbon black, built in layers around steel and fabric cords and baked in a mould that presses the tread; the carbon black makes the…», reached through the same lesson line as the sentence the question matched. What matched: the same action «make» (+2); the same thing acted on «tyres» (+2). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/technology/8-how-a-car-is-built/t10/)

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### Test 11 · ★ · right ✓ {#t11}

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In a cartoon a giant press squashes a cat flat and it pops back up. What is the real rule?

- **1.** Presses are soft inside and can't hurt anyone — no support
- **2.** Presses only squash cardboard, never anything solid — score 5
- **3.** Presses are fenced off and stop if a light beam is broken — **← Mova's choice** · **✓ the right answer** · score 8
- **4.** Workers stand under the presses to check them — no support

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**Why:** It took the question to ask what it is done to. It chose option 3 with score 8, against 5 for the next best. Its support: lesson 8, line 6: «In the press shop huge presses squash flat steel sheets into doors, roofs and bonnets in one hard blow; they are fenced off and stop if a light beam is broken.», reached through the option's own match among the sentences about the question's things. What matched: the same action «fence off» (+3); it fills the role the question asks for (+3); the same thing acted on «presses» (+2). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/technology/8-how-a-car-is-built/t11/)

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### Exam question 1 · formal language · right ✓ {#e1}

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Which of the following statements most accurately characterises the construction of a car windscreen?

- **1.** Steel wires are embedded throughout the glass to bind it — no support
- **2.** The windscreen is composed entirely of a transparent plastic — no support
- **3.** A single sheet of toughened glass, which shatters into numerous small blunt pieces upon impact — no support
- **4.** Two layers of glass enclose a plastic sheet which retains the fragments upon cracking — **← Mova's choice** · **✓ the right answer** · score 6

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**Why:** It took the question to ask who or what does it. It chose option 4 with score 6, the only option with support. Its support: lesson 7, line 19: «A 3D printer melts plastic string and lays it down layer by thin layer following a computer drawing; its nozzle gets very hot, so adults handle it.», reached through the remembered sentence the question matched. What matched: it fills the role the question asks for (+6); the same doer «thin layer» (+4). Against it: a different action (counts against) (-2); a different thing acted on (counts against) (-2). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/technology/8-how-a-car-is-built/e1/)

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### Exam question 2 · formal language · right ✓ {#e2}

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Identify the principal purpose of the crash tests performed upon new vehicles.

- **1.** To ascertain, by instrumented dummies, the injuries occupants would sustain — **← Mova's choice** · **✓ the right answer** · no support
- **2.** To determine the noise produced by a collision at speed — no support
- **3.** To test the durability of the paint under severe impact — no support
- **4.** To dispose of defective vehicles in a controlled manner — no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/technology/8-how-a-car-is-built/e2/)

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### Exam question 3 · formal language · wrong ✗ {#e3}

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Select the response consistent with the established facts concerning the year 2021.

- **1.** The first spot weld was performed by a robot in a car factory — **← Mova's choice** · no support
- **2.** A shortage of computer chips halted car production in factories around the world — **✓ the right answer** · no support
- **3.** Car factories throughout the world ceased to employ robots and returned to building vehicles by hand — no support
- **4.** Tyres were first manufactured with carbon black for strength — no support

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**Why:** Nothing it remembers matched the question, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/technology/8-how-a-car-is-built/e3/)

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### Exam question 4 · formal language · wrong ✗ {#e4}

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Determine the aggregate number of tyres required for six cars, it being given that each car is fitted with four wheels and one spare.

- **1.** Ten — **← Mova's choice** · no support
- **2.** Twenty-four — no support
- **3.** Twenty-five — no support
- **4.** Thirty — **✓ the right answer** · no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/technology/8-how-a-car-is-built/e4/)

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- ← previous: [7. Toys and Lego](https://md.mova.elamur.ai/free/en/school-run/technology/7-toys-and-lego/)
- next →: [9. Phones and computer chips](https://md.mova.elamur.ai/free/en/school-run/technology/9-phones-and-computer-chips/)
- ↑ back to [Technology](https://md.mova.elamur.ai/free/en/school-run/technology/)

