Intake and Exhaust System Diesel Mechanic MCQ Practice Test - ObjectiveBooks
Intake and Exhaust System Diesel Mechanic MCQ Practice Test

Intake and Exhaust System Diesel Mechanic MCQ Practice Test

Practice Test: Question Set - 01

1. Name the drive of impeller type exhauster?
    (A) Auxiliary drive shaft
    (B) Electric motor drive
    (C) Exhaust gas pressure
    (D) Compressed air
2. What material is used for manufacturing exhaust manifold?
    (A) Cast iron
    (B) Aluminium alloy
    (C) Copper
    (D) Steel
3. Which type of muffler produces anti noise without restricting the exhaust flow in a silencer?
    (A) Baffle type
    (B) Electronic type
    (C) Resonance type
    (D) Reverse flow type
4. Which helps engine at high altitudes where the density of air is less?
    (A) Air cleaner
    (B) Vane type exhauster
    (C) Impeller type exhauster
    (D) Turbo charger
5. Where the turbo charger compressor housing outlet connected?
    (A) Connected to air cleaner
    (B) Connected to inlet-manifold
    (C) Connected to exhaust - manifold
    (D) Connected to oil filter
6. During engine back fire, which act as a flame arrester?
    (A) Oil filter
    (B) Fuel filter
    (C) Air filter
    (D) Muffler
7. Where is turbocharger mounted?
    (A) Exhaust manifold
    (B) Inlet manifold
    (C) Air cleaner
    (D) Cylinder head
8. What type of filter element is used in dry type air cleaner?
    (A) Paper element
    (B) Cloth element
    (C) Wire mesh element
    (D) Strainer element
9. What is the purpose of muffler in exhaust system?
    (A) Reduce the heat
    (B) Reduce the noise
    (C) Reduce the vibration
    (D) To filter exhaust gases
10. What is the material generally used for manufacturing inlet manifold?
    (A) Aluminium alloy
    (B) Copper
    (C) Steel
    (D) Plastic
11. Which type of muffler is fitted with sensors, microphone and speakers?
    (A) Baffle type muffler
    (B) Reverse flow type muffler
    (C) Electronics type muffler
    (D) Straight through muffler
12. What is the reason for decrease the volumetric efficiency in the exhaust system?
    (A) Low noise
    (B) High temperature
    (C) Excessive back pressure
    (D) Low temperature
13. Name the drive of turbo charger?
    (A) Engine drive
    (B) Electric motor drive
    (C) Exhaust gas pressure
    (D) Compressed air
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