MCQ on Various Components of Diesel Engine - Set 01 - ObjectiveBooks

MCQ on Various Components of Diesel Engine - Set 01

Practice Test: Question Set - 01


1. Which measuring instrument used to check the fly wheel face out?
    (A) Dial indicator
    (B) Compression gauge
    (C) Outside micrometer
    (D) Feeler gauge

2. Which tool is used to measure the diameter of the crank shaft main journal?
    (A) Inside micrometer
    (B) Outside micrometer
    (C) Three point internal micrometer
    (D) Master ring gauge

3. What is the type of hardening done on crank shaft?
    (A) Induction hardening
    (B) Case hardening
    (C) Flame hardening
    (D) Surface hardening

4. Which bearing used in gear boxes?
    (A) Ball bearing
    (B) Roller bearing
    (C) Needle bearing
    (D) Taper roller bearing

5. What is the first step in removal method of fly wheel?
    (A) Unlock the lock plate/wire
    (B) Unscrew the fastening bolts
    (C) Lock the fly wheel with wooden piece
    (D) Remove the fly wheel ring

6. What is the term used to refer when both valves open position?
    (A) Lead
    (B) Lang
    (C) Overlap
    (D) Advance

7. What is ovality of a bore?
    (A) Difference in dia measured top to bottom
    (B) Difference in dia thrust to non thrust side of cylinder
    (C) Difference in dia measured only at top
    (D) Difference in dia measured only at bottom

8. What is the material of piston pins?
    (A) Nickel chromium steel
    (B) Cast iron
    (C) HSS
    (D) Bronze

9. Which is connected with piston through piston pin?
    (A) Gudgeon pin
    (B) Connecting rod
    (C) Cam shaft
    (D) Rocker arm

10. Which is the key element in converting reciprocating motion in to rotary motion?
    (A) Connecting rod
    (B) Gudgeon pin
    (C) King pin
    (D) Cam shaft

11. Which bearing used in fly wheel and water pump?
    (A) Ball bearing
    (B) Roller bearing
    (C) Needle bearing
    (D) Taper roller bearing

12. What type of bearing fitted in the connecting rod big end?
    (A) Needle bearing
    (B) Ball bearing
    (C) Taper roller bearing
    (D) Shell bearing

13. What is the term used to refer when a valve open before TDC?
    (A) Lead
    (B) Lag
    (C) Over lap
    (D) Retard

14. What is the speed ratio cam shaft to crank shaft?
    (A) Half
    (B) Equal
    (C) Double
    (D) Triple

15. What is the purpose of the timing chain?
    (A) To connect water pump pulley
    (B) To connect alternator
    (C) To connect crank and cam shaft gear
    (D) To connect A/C compressor

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