Brown coal

Peat

Coking bituminous coal

Non-coking bituminous coal

**A continuous beam is one which is****The efficiency of Diesel cycle approaches to Otto cycle efficiency when****One kg of carbon monoxide requires _______kg of oxygen to produce 11/7 kg of carbon dioxide gas.****The efficiency of Carnot cycle depends upon****The general gas energy equation is (where Q1 - 2 = Heat supplied, dU = Change in internal energy, and…****The specific heat at constant volume is****The mass of excess air supplied is equal to****When a closely-coiled helical spring of mean diameter (D) is subjected to an axial load (W), the stiffness…****Efficiency of a riveted joint is the ratio of its strength (max. load it can resist without failure)…****Diamond riveted joint can be adopted in the case of following type of joint****When a body is subjected to a direct tensile stress (σ) in one plane, then maximum normal stress…****The mass of carbon per kg of flue gas is given by****Two shafts 'A' and 'B' transmit the same power. The speed of shaft 'A' is 250 r.p.m. and that of shaft…****The amount of heat required to raise the temperature of 1 kg of water through one Kelvin is called****In a uniform bar, supported at one end in position, the maximum stress under self weight of bar shall…****The state of a substance whose evaporation from its liquid state is complete, is known as****The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ =…****Hooke's law holds good up to****Strain energy is the****Workdone in a free expansion process is****A riveted joint in which the number otrivets decrease from innermost to outer most rows is called****The efficiency of Diesel cycle increases with****The assumption made in Euler's column theory is that****The stress necessary to initiate yielding is****The change of entropy, when heat is absorbed by the gas, is****A column of length (l) with both ends fixed may be considered as equivalent to a column of length __________…****The main cause for the irreversibility is****The bending equation is****A steel bar of 5 mm is heated from 25°C to 45°C and it is free to expand. The bar will induce****Which of the following process can be made reversible with the help of a regenerator?**