Pressure exerted by a liquid depends upon its:
A. Surface tension
B. Density
C. Viscosity
D. Buoyancy
Drills are usually made of:
A. Cermets
B. High speed steel
C. Alloy steel
D. Tungsten carbide
An ideal material for making cooking vessels should have:
A. High heat capacity
B. Low heat capacity
C. High thermal conductivity
D. Both B. and C.
Propulsion of rocket follows from the:
A. Newton’s second law of motion
B. Newton’s third law of motion
C. Law of projectiles
D. Archimedes principle
Which of the following is an example of cathodic protection of metals against corrosion:
A. Painted steel
B. Galvanised iron
C. Case hardened steel
D. Lead lined reactor
The _____ of a double acting reciprocating pump as compared to the single acting pump will be almost double:
A. Flow output
B. Head developed
C. Overall efficiency
D. Weight
Out of the following, the alloy which has equal percentage of constituents, is:
A. White metal
B. Gun metal
C. Duralumin
D. Constantan
The bolt is subjected to ____ when the nut is tightened by putting the washer beneath it:
A. Tension
B. Shear
C. Compression
D. Bending & tension
The joint for soldering is supported by binding wire made of:
A. Mild steel
B. Copper
C. Soft iron
D. Stainless steel
Tesla metre per ampere (T. m/A) is the unit for the measurement of:
A. Magnetic susceptibility
B. Magnetic moment
C. Permeability of free space
D. Flux density
