Cooling System Quiz CoCu5

Quiz
•
Engineering
•
Vocational training
•
Easy
MOHAMMAD NAZRIN BUJANG
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How to know if an engine overheats? / Bagaimana untuk mengetahui jika enjin terlalu panas?
The engine runs smoother than usual. / Enjin berjalan lebih lancar daripada biasa.
The temperature gauge reads unusually high, steam may come from under the hood, and a burning smell might be present. / Tolok suhu membaca sangat tinggi, wap mungkin keluar dari bawah bonet, dan bau terbakar mungkin ada.
The exhaust pipe emits black smoke continuously. / Paip ekzos mengeluarkan asap hitam secara berterusan.
The engine becomes unusually quiet. / Enjin menjadi luar biasa senyap
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the cooling system when the accessory belt breaks? / Apa yang berlaku kepada sistem penyejukan apabila tali sawat aksesori putus?
The radiator fan stops working, but the water pump continues to operate. / Kipas radiator berhenti berfungsi, tetapi pam air terus beroperasi.
The air conditioning stops, but the cooling system is unaffected. / Penyaman udara berhenti, tetapi sistem penyejukan tidak terjejas.
The water pump, and potentially the radiator fan (if belt-driven), will stop circulating coolant, leading to rapid overheating. / Pam air, dan mungkin kipas radiator (jika digerakkan oleh tali sawat), akan berhenti mengedarkan penyejuk, menyebabkan pemanasan lampau yang cepat.
The engine will cool down more efficiently due to reduced load. / Enjin akan menyejuk dengan lebih cekap kerana beban yang berkurangan.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when the radiator fan fails to run? / Apa yang berlaku apabila kipas radiator gagal berfungsi?
The engine will run cooler, especially at high speeds. / Enjin akan berjalan lebih sejuk, terutamanya pada kelajuan tinggi.
The engine will likely overheat, especially in stop-and-go traffic or at idle, as there won't be enough airflow to cool the radiator. / Enjin berkemungkinan akan terlalu panas, terutamanya dalam lalu lintas berhenti-jalan atau semasa melahu, kerana tiada aliran udara yang mencukupi untuk menyejukkan radiator.
The air conditioning system will become more efficient. / Sistem penyaman udara akan menjadi lebih cekap.
The vehicle's fuel economy will significantly improve. / Ekonomi bahan api kenderaan akan bertambah baik dengan ketara.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain what happens when the thermostat is stuck closed. / Terangkan apa yang berlaku apabila termostat tersekat dalam keadaan tertutup.
The engine will run too cool, leading to increased fuel efficiency. / Enjin akan berjalan terlalu sejuk, menyebabkan peningkatan kecekapan bahan api.
The coolant will continuously circulate through the radiator, preventing the engine from reaching optimal operating temperature. / Penyejuk akan sentiasa beredar melalui radiator, menghalang enjin daripada mencapai suhu operasi optimum.
The coolant will be trapped within the engine, unable to circulate to the radiator for cooling, leading to rapid and severe overheating. / Penyejuk akan terperangkap di dalam enjin, tidak dapat beredar ke radiator untuk penyejukan, menyebabkan pemanasan lampau yang cepat dan teruk.
The engine will consume more oil due to improper lubrication. / Enjin akan menggunakan lebih banyak minyak kerana pelinciran yang tidak betul.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain what happens when the thermostat is Stuck openExplain what happens when the thermostat is stuck open. / Terangkan apa yang berlaku apabila termostat tersekat dalam keadaan terbuka.
The engine will quickly overheat because the coolant isn't circulating. / Enjin akan cepat terlalu panas kerana penyejuk tidak beredar.
The engine will run too cool because the coolant is always flowing through the radiator, preventing it from reaching its optimal operating temperature, which can lead to reduced fuel efficiency and increased wear. / Enjin akan berjalan terlalu sejuk kerana penyejuk sentiasa mengalir melalui radiator, menghalangnya daripada mencapai suhu operasi optimum, yang boleh menyebabkan kecekapan bahan api berkurangan dan kehausan meningkat.
The vehicle's heater will work more effectively. / Pemanas kenderaan akan berfungsi dengan lebih berkesan.
The engine's power output will significantly increase. / Keluaran kuasa enjin akan meningkat dengan ketara.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A technician says removing the thermostat will solve the overheating problem. Should he? Why? / Seorang juruteknik mengatakan mengeluarkan termostat akan menyelesaikan masalah pemanasan lampau. Patutkah dia? Mengapa?
Yes, because it ensures maximum coolant flow at all times, preventing overheating. / Ya, kerana ia memastikan aliran penyejuk maksimum pada setiap masa, menghalang pemanasan lampau.
Yes, but only for a very short, temporary fix in an emergency, as it can cause the engine to run too cool and inefficiently in the long run. / Ya, tetapi hanya untuk penyelesaian sementara yang sangat singkat dalam keadaan kecemasan, kerana ia boleh menyebabkan enjin berjalan terlalu sejuk dan tidak cekap dalam jangka panjang.
No, because while it might temporarily lower the temperature, it will cause the engine to run too cold, leading to reduced fuel efficiency, increased engine wear, and potentially poor emissions. The engine needs to operate at its optimal temperature. / Tidak, kerana walaupun ia mungkin menurunkan suhu sementara, ia akan menyebabkan enjin berjalan terlalu sejuk, menyebabkan kecekapan bahan api berkurangan, kehausan enjin meningkat, dan berpotensi pelepasan yang tidak baik. Enjin perlu beroperasi pada suhu optimumnya.
No, because removing the thermostat will cause the water pump to fail immediately. / Tidak, kerana mengeluarkan termostat akan menyebabkan pam air gagal serta-merta.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A radiator cap with the wrong pressure rating is used. Explain what will happen. / Penutup radiator dengan penarafan tekanan yang salah digunakan. Terangkan apa yang akan berlaku.
The cooling system will become more efficient, improving engine performance. / Sistem penyejukan akan menjadi lebih cekap, meningkatkan prestasi enjin.
If the pressure rating is too low, the coolant will boil at a lower temperature, leading to overheating and potential coolant loss. If it's too high, it can put excessive stress on cooling system components. / Jika penarafan tekanan terlalu rendah, penyejuk akan mendidih pada suhu yang lebih rendah, menyebabkan pemanasan lampau dan potensi kehilangan penyejuk. Jika terlalu tinggi, ia boleh memberi tekanan berlebihan pada komponen sistem penyejukan.
The engine will run cooler than normal, improving fuel economy. / Enjin akan berjalan lebih sejuk daripada biasa, meningkatkan ekonomi bahan api.
The vehicle's electrical system will experience intermittent failures. / Sistem elektrik kenderaan akan mengalami kegagalan berselang-seli.
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