According to thermodynamic Fahrenheit scale, the fundamental interval between ice point to steam point is__________________?
A. 180°
B. 212°
C. 32°
D. 273°
Chemical Engineering Basics
Case hardening of a material is__________________?
Case hardening of a material is__________________?
A. Followed by tempering or carburising
B. Preceded by its tempering
C. Done to get a soft ductile interior with a very hard surface
D. Carried out to get extreme hardness in its core
Milk is fat dispersed in water. It is an example of__________________?
Milk is fat dispersed in water. It is an example of__________________?
A. Suspension
B. Emulsion
C. Gel
D. Solution
Cemented carbide tools are not suitable for cutting___________________?
Cemented carbide tools are not suitable for cutting___________________?
A. Aluminium
B. Brass
C. Cast iron
D. Steel
Annealing of white cast iron produces _____________________ iron?
Annealing of white cast iron produces _____________________ iron?
A. Grey
B. Nodular
C. Malleable
D. Spheroidal
Direct conversion of thermal energy to electrical energy is facilitated by the____________________?
Direct conversion of thermal energy to electrical energy is facilitated by the____________________?
A. Fuel cells
B. Photo voltaic cell
C. Magneto hydrodynamic generator
D. None of these
A dense structure of grinding wheel is not used for the_____________________?
A dense structure of grinding wheel is not used for the_____________________?
A. Ductile material
B. Hard materials
C. Brittle materials
D. Finishing cuts
If the demand for an item is trebled and the order cost is reduced to one third, then the economic order quantity_________________?
If the demand for an item is trebled and the order cost is reduced to one third, then the economic order quantity_________________?
A. Is trebled
B. Remains unchanged
C. Decreases by a factor of 3
D. Decreases by a factor of 1/3
Pressure required to increase the density of water by about 1% is ____________________ atmosphere?
Pressure required to increase the density of water by about 1% is ____________________ atmosphere?
A. 10
B. 50
C. 200
D. 1000
The starting of a car takes time in winter, because the__________________?
The starting of a car takes time in winter, because the__________________?
A. Octane number of fuel is decreased
B. Fuel supply for ignition is not sufficient
C. Vaporisation of the fuel is decreased
D. Pour point of fuel decreases