A. Adiabatic
B. Quasi-static
C. Isothermal
D. Isentropic
Related Mcqs:
- _________________ property of a material is determined by the Herbert Pendulum device?
A. Hardness
B. Tensile
C. Toughness
D. Compressive - In case of compression of one kg of air, the work done will be the least, when the value of polytropic index ‘n’ is______________________?
A. 1
B. 1.4
C. 1.5
D. Y = Cp/Cv - Globular form of cementite is formed during the _________________ process ?
A. Spheroidising
B. Hardening
C. Annealing
D. Normalising - _________________ is not a heat treatment process ?
A. Cyaniding
B. Parkerizing
C. Austempering
D. Martempering - Hot dipping process is used for coating a low melting point metal (e.g. Pb, Sn, Zn) on iron, steel & copper having relatively higher melting points. Which of the following is not a hot dipping process ?
A. Galvanising
B. Tinning
C. Sherardizing
D. None of these - Batch process is preferred over continuous process, when the___________________?
A. Product yields and quality cannot be achieved in continuous process, because of long
residence time
B. Sales demand of product is not steady
C. Same equipment cannot be used for several processes of the same nature
D. All (A), B. & (C) - Use of flux during soldering is done to__________________?
A. Increase fluidity of solder by lowering its melting temperature
B. Prevent oxide formation
C. Wash away surplus solder
D. Full up the joint gap - Elimination of brittleness resulting from welding of saw blades is done by __________________ of the welded portion ?
A. Annealing
B. Toughening
C. Work hardening
D. Tempering - Limestone addition in the blast furnace is done to flux _______________ present in the raw materials?
A. SiO2
B. Al2O3
C. MnO2
D. P - Blasting of tri-nitro-toluene (TNT) is done by mixing it with ammonium_______________?
A. Nitrate
B. Sulphate
C. Carbonate
D. Chloride