Q. Thermoplastics are never moulded using

View solution

Q. Pick out the wrong statement. If the net positive suction head (NPSH) requirement of a pump is not satisfied, then

View solution

Q. While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous or crystalline. The crystalline polymers are characterised by the

View solution

Q. The stress at which a metal fails by fatigue lies

View solution

Q. Silicon percentage in acid resistant cast iron is about

View solution

Q. Thermal expansion of solid is employed in the temperature measurement by a

View solution

Q. Stress and strain are related by __________ elastic constants for a linearly elastic, homogeneous & isotropic material.

View solution

Q. The behaviour of a metal specimen, which when plastically strained in tension reduces its yield stress in compression and vice versa; is termed as the

View solution

Q. Function of fusible plug in a boiler is to

View solution

Q. A metal having a Poisson's ratio = 0.3 is elastically deformed under uniaxial tension. If the longitudinal strain = 0.8, then the magnitude of thickness strain is

View solution

Q. The quantity of electricity required to deposit one gm equivalent of any substance is one

View solution

Q. Surface tension is due to the __________ forces.

View solution

Q. At absolute zero temperature, for any reaction involving condensed phases

View solution

Q. Metals in general have a low value of thermal

View solution

Q. Toughness of a material is measured by the

View solution

Q. Pick out the wrong statement about nucleate boiling.

View solution

Q. L.D. (Linz-Donawitz) converter is used in the production of

View solution

Q. Turning/machining of __________ usually does not require any cutting fluid.

View solution

Q. Powder metallurgy processing can be used for making

View solution

Q. Commonly employed coolant for high pressure turbogenerator is

View solution