18.

19.

20.

21.

22.

23.

24.

25.

218/23

The sensitive bench drilling machine is capable of drilling holes upto
diameter.

A) 8.5mm B) 10.5 mm C) 12.5 mm D) 13.5 mm

Which of the following is related to countersunk tooth type lock washer ?
A) Used with small head screws B) Used on oval type head screws
C) Mounting holes are over size D) Provides the greatest resistance

Which of the following can be used for locking the nuts which are located near an
edge or corner ?

A) Locking plate B) Slotted and castle nut
C) Penning nut D) Tab washer

Which of the following statements are correct ?

Statement 1 : In the Otto cycle combustion takes place at constant volume.
Statement 2 : In Diesel cycle combustion takes place at constant volume.

A) Both Statements are correct B) Both Statements are incorrect
C) Only Statement 1 is correct D) Only Statement 2 is correct

In a two stroke engine, the entry of fresh charge, pushes out the exhaust gases
through exhaust port. This process is known as

A) Transfer Port Scavenging B) Cross Flow Scavenging
C) Exhaust Port Scavenging D) Loop Flow Scavenging

Which of the following statements are correct ?

Statement 1 : Two stroke engine is simpler, compact and lighter.

Statement 2 : Two stroke engine has lower volumetric efficiency.

A) Both Statements are correct B) Both Statements are incorrect
C) Only Statement 1 is correct D) Only Statement 2 is correct

In an inline 6 cylinder 4 stroke engine a firing impulse occur at every
degrees of crankshaft revolution.

A) 180 B) 160 C) 360 D) 120
The distance between the cylinder wall and the piston skirt is known as
A) Piston Clearance B) Skirt Clearance

C) Cylinder Clearance D) Both A) and B)