Hot extrusion process is not used for making____________________?

A. Cast iron pipe for domestic water supply
B. Aluminium curtain rods
C. Stainless steel tubes used in furnitures
D. Any of these

Yield strength of a material is determined by the __________________ test?

A. Creep
B. Tension
C. Compression
D. Endurance

Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a _______________ calorimeter ?

A. Bomb
B. Throttling
C. Junker’s
D. Boy’s

_____________________ remains constant during the adiabatic cooling of moist air?

A. Wet bulb temperature
B. Dry bulb temperature
C. Relative humidity
D. Specific humidity

The most commonly used moderator in nuclear power plants is__________________?

A. Graphite
B. Light water
C. Heavy water
D. Beryllium

Basicity [%Cao + %MgO + %SiO2) of the slag in Indian blast furnace is in the range of___________________?

A. 0.7-1.0
B. 1.1-1.4
C. 1.5 – 1.8
D. 2.0 – 2.5

The dew point of moist air becomes ____________________ with decrease in its relative humidity ?

A. Less than the wet bulb temperature
B. More than the wet bulb temperature
C. More than the dry bulb temperature
D. Equal to wet bulb temperature

Thermistors are used in _____________ devices?

A. Voltage measuring
B. Temperature measuring
C. Temperature compensating
D. Both B. & C.

Annealing of cast iron__________________?

A. Softens it to facilitate machining
B. Decreases the free carbon
C. Increases the strength
D. None of these

Catalyst used in the ‘catalytic converter’ employed in automobile exhaust line for complete combustion/oxidation of carbon monoxide, nitrogen oxides and hydrocarbons is__________________?

A. Alumina
B. Platinum
C. Vanadium pentoxide
D. Iron oxide