Carbon

Hydrogen and nitrogen

Sulphur and ash

All of these

**The ratio of elongation in a prismatic bar due to its own weight (W) as compared to another similar…****The torque transmitted by a solid shaft of diameter (D) is (where τ = Maximum allowable shear stress)****A circular shaft fixed at, A has diameter D for half of its length and diameter D/2 over the other half,…****Which of the following gas is mostly used in town for street and domestic lighting and heating?****If the radius of wire stretched by a load is doubled, then its Youngs modulus will be****Which of the following gas has a minimum molecular mass?****The mass of carbon per kg of flue gas is given by****The bending moment of a cantilever beam of length l and carrying a uniformly distributed load of w per…****A cycle consisting of __________ and two isothermal processes is known as Stirling cycle.****The materials which exhibit the same elastic properties in all directions are called****When the expansion or compression takes place according to the law pvn = C, the process is known as****One kilowatt is equal to****The efficiency of Carnot cycle is maximum for****For the beam shown in the below figure, the shear force diagram between A and B is****Which of the following statement is wrong?****A path 1-2-3 is given. A system absorbs 100 kJ as heat and does 60 kJ of work while along the path 1-4-3,…****The unit of energy is S. I. units is****In the torsion equation T/J = τ/r = Gθ/ L, the term J/R is called****Diesel cycle consists of __________ processes.****Mond gas is obtained by****The bending moment at a point on a beam is the algebraic ________ of all the moments on either side…****A composite shaft consisting of two stepped portions having spring constants K₁ and K₂…****Elasticity of Mild Steel specimen is defined by****Young's modulus is defined as the ratio of****A process, in which the working substance neither receives nor gives out heat to its surroundings during…****When it is indicated that a member is elastic, it means that when force is applied, it will****The temperature at which the volume of a gas becomes zero is called****The thermal efficiency of an ideal gas turbine plant is given by (where r = Pressure ratio)****A close cycle gas turbine gives __________ efficiency as compared to an open cycle gas turbine.****When gas is heated at constant pressure, the heat supplied is utilised in**