Thermodynamic cycle involved in the working of a thermal power plant is the ______________ cycle ?
(A) Joule
(B) Carnot
(C) Rankine
(D) Brayton
Faraday’s law of electrolysis is related to the____________________?
(A) Cation speed
(B) Atomic number of the cation
(C) Equivalent mass of the electrolyte
(D) None of these
Suitability of steel for its use in cable is judged by its strength in__________________?
(A) Tension
(B) Compression
(C) Torsion
(D) Shear
Change in volume of metals from absolute zero temperature to their melting points is___________________?
(A) Almost same for all metals
(B) Different for different metals
(C) Less for low melting point metals
(D) Less for high melting point metals
Which of the following commonly used condenser tube materials has the lowest thermal conductivity ?
(A) Admiralty brass
(B) Stainless steel
(C) Aluminium brass
(D) Titanium
One ton of refrigeration is not equivalent to the heat removal rate of ____________________?
(A) 200 BTU/minute
(B) 50 kcal/minute
(C) 50 kJ/sec
(D) 3.5 KW
Gage pressure within a spherical droplet of a fluid is ‘p’. What will be gage pressure within a bubble of the same size & of the same fluid ?
(A) p
(B) 2 p
(C) 0.5 p
(D) 0.25 p
In chemical dehumidification of air___________________?
(A) Both specific humidity & dry bulb temperature increases
(B) Both specific humidity & dry bulb temperature decreases
(C) Specific humidity decreases & dry bulb temperature increases
(D) Specific humidity increases & dry bulb temperature decreases
Fire refining process is employed in case of___________________?
(A) Tin
(B) Copper
(C) Zinc
(D) Aluminium
Dielectric___________________?
(A) Is an electrical insulating material
(B) Of low resistivity is preferred
(C) Should have high thermal conductivity
(D) Need not defy the corrosive action of chemicals