Some of the questions asked by the BAJAJ during previous years

1.What is the material of Crank Shaft?
2.Standard time=
a. normal time minus allowance b. reliability time

3. Energy stored in the spring when it is fully compressed without any deformation is -------- ans. Resilience or proof resilience

4. Question on the relation ΔL=PL/AE. What is ε (strain)? Ans. P/AE

5.Lower spindle speed is necessary for?
if diameter of w/p is large
when depth of cut is high
6. For which of the following material machinability is high? Ans. Aluminium

7. 24 & 2 in M24X2 represent which of the following two parameters respectively?

8.What is the equation governing kinematic links and pairs?
a. L=2p-3 b. L=2p-4 c. L=3p-5]

Pick out the wrong statement
Joule cycle consists of 2 constant volume processes and 2 adiabatic processes
Otto cycle consists of 2 constant volume processes and 2 adiabatic processes
Ericsson cycle consists of 2 constant volume processes and 2 adiabatic processes
None of the above
For same compression ratio which of the following cycles is more efficient?
a. otto b. diesel

The angle between face of the tool and plane parallel to the base of the tool is
a. rake angle b. clearance angle c. cutting edge angle d. lip angle

Bevel gears are used for transmitting torque between
Intersecting & coplanar shafts
Non-intersecting & non-coplanar shafts
Non-parallel & non-coplanar shafts
None of the above
Expansion process in Otto cycle lasts
from TDC to BDC
30 degrees before TDC till 50 degrees before BDC
30 degrees after TDC till 50 degrees afterBDC
none of the above
Which type of thread is more effectve for power transmission in one direction?
a. square b. acme c. buttress

The state of a liquid during evaporation is
a. vapour b. steam c. water vapour

Throttle valve is used in steam engines to
control pressure of steam
control volume of steam
control temperature of steam
none of the above