Rankine cycle comprises of two isothermal and two __________ processes. None of these Isobaric Isentropic Polytropic TRUE ANSWER : ? YOUR ANSWER : ?
Swaging is a/an __________ operation. Extrusion Drawing Piercing Forging TRUE ANSWER : ? YOUR ANSWER : ?
Carbon is present in the form of __________ in grey cast iron. Cementite Flakes Nodular aggregates of graphite Spheroids TRUE ANSWER : ? YOUR ANSWER : ?
Limestone addition in the blast furnace is done to flux __________ present in the raw materials. SiO₂ MnO₂ P Al2O₃ TRUE ANSWER : ? YOUR ANSWER : ?
The most suitable material of construction for a sewer to carry sewage under high pressure is Stoneware Asbestos cement Steel Cement concrete TRUE ANSWER : ? YOUR ANSWER : ?
For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot ? Enthalpy - entropy Temperature - entropy Temperature - pressure Enthalpy-pressure TRUE ANSWER : ? YOUR ANSWER : ?
Powder metallurgy process does not make metal powder by Grinding/milling Electrolytic deposition Atomisation Hammering TRUE ANSWER : ? YOUR ANSWER : ?
Toughness of a material is measured by the Universal testing machine Scratch test Notched bar test Vicker's hardness test TRUE ANSWER : ? YOUR ANSWER : ?
Out of the following, the dimensionless quantity is Mach number Density Specific weight Viscosity TRUE ANSWER : ? YOUR ANSWER : ?
If a heat transfer surface is pock-marked with a number of cavities, then as compared to a smooth surface the heat transfer by __________ will not increase. Conduction Radiation Convection Nucleate boiling TRUE ANSWER : ? YOUR ANSWER : ?