The tendency of a liquid surface to contract is due to the following property_____________?

A. Cohesion
B. Adhesion
C. Viscosity
D. Surface tension

Specific weight of water in S.I. units is equal to ________________?

A. 1000 n/m3
B. 10000 n/m3
C. 9.81 xlo3 n/m3
D. 9.81 xlo6n/m3

Mercury does not wet glass. This is due to property of liquid known as__________________?

A. Adhesion
B. Cohesion
C. Surface tension
D. Viscosity

Liquids_________________?

A. cannot be compressed
B. occupy definite volume
C. are not affected by change in pressure and temperature
D. are not viscous

The value of mass density in kgsecVm4 for water at 0°C is_________________?

A. 1
B. 1000
C. 100
D. 101.9

In a static fluid ___________________?

A. Resistance to shear stress is small
B. Fluid pressure is zero
C. Linear deformation is small
D. Only normal stresses can exist

An ideal flow of any fluid must fulfill the following____________________?

A. Newton’s law of motion
B. Newton’s law of viscosity
C. Pascal’ law
D. Continuity equation

Bell metal contains_____________________?

A. 70% copper and 30% zinc
B. 90% copper and 10% tin
C. 85-92% copper and rest tin with little lead and nickel
D. 70-75% copper and rest tin

Aluminium bronze contains aluminium and copper in the ratio of___________________?

A. 50 : 50
B. 40 : 60
C. 60 : 40
D. 10 : 90

The correct sequence for descending order of machinability is _____________________?

A. Grey cast iron, low carbon steel, wrought iron
B. Low carbon steel, grey cast iron, wrought iron
C. Wrought iron,low carbon steel, grey cast iron
D. Wrought iron, grey cast iron, low carbon steel