The most abundant metal present in the earth’s crust is__________________?
(A) Iron
(B) Copper
(C) Titanium
(D) Aluminium
A material being tested for endurance strength is subjected to the _______________ load ?
(A) Impact
(B) Completely reversed
(C) Dynamic
(D) Static & dynamic
Notched bar test is used for testing the _________________ of a material?
(A) Impact strength
(B) Endurance limit
(C) Machinability
(D) Corrosion resistance
The unit of gc is ___________________?
(A) lbm/lbf. ft/sec2
(B) lbf/lbm. ft/sec2
(C) ft/sec2
(D) lbm/lbf. sec2/ft
One of the methods of purification of leach liquor is ion exchange, which involves_________________?
(A) Exchange between two liquid phases
(B) Exchange between a gaseous phase and a liquid phase
(C) Exchange between a liquid phase and an organic resin phase
(D) Exchange between a solid phase and a gas phase
Thermal equivalent of electrical power in practical calculation is _______________ kcal/kWh ?
(A) 746
(B) 3000
(C) 1000
(D) 550
Silicon percentage in acid resistant cast iron is about ___________________?
(A) 4
(B) 8
(C) 14
(D) 20
The atmospheric temperature during melting of ice/snow (in the atmosphere)_________________?
(A) Decreases
(B) Increases
(C) Remain same
(D) May increase or decrease; depends on the altitude where snow melts
Surface tension of a liquid_________________?
(A) Is due to intermolecular forces of cohesion
(B) Decreases with rise in temperature
(C) Is responsible for the spherical shape of an isolated liquid drop
(D) All A,
Gas turbine normally employs a constant _______________ cycle?
(A) Pressure
(B) Temperature
(C) Volume
(D) None of these