Peat
Lignite
Bituminous coal
Anthracite coal
D. Anthracite coal
The indirect heat exchanger and cooler is avoided
Direct combustion system is used
A condenser is used
All of the above
Simply supported beam
Fixed beam
Overhanging beam
Cantilever beam
1.333 N/m2
13.33 N/m2
133.3 N/m2
1333 N/m2
The axis of load
An oblique plane
At right angles to the axis of specimen
Would not occur
l/δl
δl/l
l.δl
l + δl
11/3 kg of carbon dioxide gas
7/3 kg of carbon monoxide gas
11/7 kg of carbon dioxide gas
8/3 kg of carbon monoxide gas
Elements
Compounds
Atoms
Molecules
No heat enters or leaves the gas
The temperature of the gas changes
The change in internal energy is equal to the mechanical workdone
All of the above
δl = 4PE/ πl²
δl = 4πld²/PE
δl = 4Pl/πEd₁d₂
δl = 4PlE/ πd₁d₂
Joint less section
Homogeneous section
Perfect section
Seamless section
√(KT/m)
√(2KT/m)
√(3KT/m)
√(5KT/m)
Sum of two specific heats
Difference of two specific heats
Product of two specific heats
Ratio of two specific heats
Remains constant
Increases
Decreases
None of these
A horizontal line
A vertical line
An inclined line
A parabolic curve
Remains constant
Decreases
Increases
None of these
2.1 × 10⁵ kg/cm²
2.1 × 10⁶ kg/cm²
2.1 × 10⁷ kg/cm²
0.1 × 10⁶ kg/cm²
Flow processes
Non-flow processes
Adiabatic processes
None of these
δQ = T.ds
δQ = T/ds
dQ = ds/T
None of these
(p2/p1)γ - 1/ γ
(p1/p2)γ - 1/ γ
(v2/v1)γ - 1/ γ
(v1/v2)γ - 1/ γ
9/7
11/7
7/4
1/4
Total internal energy of a system during a process remains constant
Total energy of a system remains constant
Workdone by a system is equal to the heat transferred by the system
Internal energy, enthalpy and entropy during a process remain constant
65° to 220°C
220° to 345°C
345° to 470°C
470° to 550°C
When coal is first dried and then crushed to a fine powder by pulverising machine
From the finely ground coal by moulding under pressure with or without a binding material
When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel
By heating wood with a limited supply of air to a temperature not less than 280°C
The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant pressure
The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant volume
The amount of heat required to raise the temperature of 1 kg of water through one degree
Any one of the above
Isochoric process
Isobaric process
Hyperbolic process
All of these
Greater than
Less than
Equal to
None of these
Increases power output
Improves thermal efficiency
Reduces exhaust temperature
Do not damage turbine blades
Linear stress to lateral strain
Lateral strain to linear strain
Linear stress to linear strain
Shear stress to shear strain
11/7
9/7
4/7
All of the above
The liquid fuels consist of hydrocarbons.
The liquid fuels have higher calorific value than solid fuels.
The solid fuels have higher calorific value than liquid fuels.
A good fuel should have low ignition point.