1.
Which one of the following materials is used as the bonding material for grinding wheels
A. 
B. 
C. 
D. 
2.
In reaming process
A. 
The metal removal rate is high
B. 
High surface finish is obtained
C. 
High form of accuracy is obtained
D. 
High degree of tolerance achieved
3.
In the griding wheel have specification A60G7B23, B stands for the
A. 
B. 
C. 
D. 
4.
Wheel loading in grinding is defined as
A. 
Types of wheel bond fracture
B. 
Types of wheel grain fracture
C. 
Sticking of small particle on grinding wheel
D. 
5.
Helix angle of a fast helix drill is normally
A. 
B. 
C. 
D. 
6.
A milling cutter having 8 teeth is rotating at 150 rpm. if the feed per tooth is 0.1 mm, the value of thew table speed in mm/min is
A. 
B. 
C. 
D. 
7.
Gas having index of expansion is 2 flows through convergent nozzle the Critical pressure ratio is
A. 
B. 
C. 
D. 
8.
Among the conventional, machining process maximium specifiec energy is consumed in
A. 
B. 
C. 
D. 
9.
The enthalpy of steam at the inlet and outlet of a steam turbine is 2850 KJ/Kg and 1950 KJ/Kg respectively. The specifiec steam consumption in Kg/KW hour is
A. 
B. 
C. 
D. 
10.
The Rateau Turbine belongs to the category of
A. 
Pressure compounded turbine
B. 
C. 
Velocity compounded turbine
D. 
11.
For a single stage impulse turbine with rotor diameter of 2 m and a speed of 3000 rpm when the nozzle angle is 20 Degree, The Optimium velocity of steam in m/s
A. 
B. 
C. 
D. 
12.
The bottles from thermo plastic materials are made by
A. 
B. 
C. 
D. 
13.
The process of producing components in moulds without the application of pressure, is known as
A. 
B. 
C. 
D. 
14.
A Gas Turbine Cycle with heat exchange and reheating improves
A. 
Only the thermal efficiency
B. 
Only the Specific power output
C. 
Both thermal effiecincy and specific power output
D. 
15.
In powder metallurgy, the operation carried out to improve the bearing property of a bush is called
A. 
B. 
C. 
D. 
16.
Constant Pressure lines in the superheated region of the Mollier Diagram will have
A. 
B. 
C. 
D. 
17.
Cold shortness is defined as the
A. 
Fracture in room temperature below their recrystallization temperature
B. 
Brittelness in room temperature below their recrystallization temperature
C. 
Loss of ductility above recrystallization temperature
D. 
Decrease of brittleness in room temperature
18.
The compositions of some of the alloy steels are as under. Which of the following is Correct Designation
A. 
B. 
C. 
D. 
19.
A Heat reservior at 1000 K is brought into contact with another Reservior at 400 K for 2 Second. During this Period 9000 KJ of heat is lost by the heat reservior. The Change in Entropy (KJ/K) due to temperature difference
A. 
B. 
C. 
D. 
20.
A Carnot cycle is having of 0.75. if the temperature of the high temperature reservior is 1000 K. What is the temperature of low temperature reservior
A. 
B. 
C. 
D. 
21.
A Grinding wheel of 150mm diameter is rotating at 3000 rpm. The grinding speed is
A. 
B. 
C. 
D. 
22.
In Certain type of Heat Exchanger , Both the fluids have identical mass flow rate Specific heat product. The hot fluid enters at 349 K and leaves at 322 K and the cold fluid entering at 301 K leave at 328 K. The effectiveness of HE IS
A. 
B. 
C. 
D. 
23.
A Lead Screw with half nuts in a lathe, Free to Rotate in both Direction has
A. 
B. 
C. 
D. 
24.
A Car moving with uniform acceleration covers 700 m in the next 5 second. The acceleration of the car in m/s^2.
A. 
B. 
C. 
D. 
25.
In Highly rarefied gases, the concept loses validity is associated with
A. 
B. 
Thermodynamic Equilibrium
C. 
D.