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Engineering Thermodynamics

Engineering Thermodynamics
The natural solid fuel is

Pulverised coal
Coke
Wood
Anthracite coal

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Engineering Thermodynamics
The value of one bar (in S. I. units) is equal to

1 × 104 N/m2
1 × 105 N/m2
1 × 103 N/m2
1 × 102 N/m2

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Engineering Thermodynamics
Relation between cp and cv is given by (where cp = Specific heat at constant pressure, cv = Specific heat at constant volume, γ = cp/cv, known as adiabatic index, and R = Gas constant)

cv/ cp =R
cv = R/ γ-1
cp - cv = R
Both (B) and (C)

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Engineering Thermodynamics
First law of thermodynamics furnishes the relationship between

Various thermodynamic processes
Various properties of the system
Heat and work
Heat, work and properties of the system

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Engineering Thermodynamics
Carnot cycle efficiency depends upon

Working condition
Temperature range of operation
Properties of the medium/substance used
Condition of engine

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Engineering Thermodynamics
The efficiency of Diesel cycle increases with

Increase in cut-off
Decrease in cut-off
None of these
Constant cut-off

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MORE MCQ ON Engineering Thermodynamics

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