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When steam after doing work in the cylinder passes into a condenser, the engine is said to be a?
Answer: Option 3 Let'
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When the speed of the engine is controlled by means of a valve in a steam pipe, which regulates the pressure of steam entering the engine, then the governing is known as?
Answer: Option 1 Let'
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For a twin cylinder V-engine, the crank positions for primary reverse cranks and secondary direct cranks are shown in the below figure. The engine is a?
Answer: Option 1
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Two glasses of equal volume respectively are half and three - fourths filled with milk. They are then filled to brim by adding water. Their contents are then poured into another vessel. What will be the ratio of milk to water in this vessel ?
Answer: Option 4 $$\eqalign{ & {\text{Milk in 1st glass}} \cr & = \frac{1}{2}{\text{ unit}} \cr & {\text{Milk in 2nd glass}} \cr & = \frac{3}{4}{\text{ unit}} \cr & {\text{Water in 1st glass}} \cr & = \frac{1}{2}{\text{ unit}}...
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If p₁, is the pressure of air entering the L.P. cylinder and p₂ is the pressure of air leaving the L.P. cylinder (or inter-cooler pressure), then the ratio of cylinder diameters for a single acting, two stage reciprocating air compressor with complete intercooling is given by (where D₁ = Dia. of L.P. cylinder, and D₂ = Dia. of H.P. cylinder)?
Answer: Option 3 If p₁, is the pressure of air entering the L.P. cylinder and p₂ is the pressure of air leaving the L.P. cylinder (or inter-cooler pressure), then the...
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In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder.?
Answer: Option 2 Let'
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In a steam engine, the distance by which the outer edge of the D-slide valve overlaps the steam port is called?
Answer: Option 2 Let'
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The specific speed of a turbine is the speed of an imaginary turbine, identical with the given turbine, which?
Answer: Option 3 Let'
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A steam turbine, in which a part of the steam after partial expansion, is used for process heating and the remaining steam is further expanded for power generation, is known as?
Answer: Option 2 Let'
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High pressure steam is expanded adiabati-cally and reversibly through a well insulated turbine, which produces some shaft work. If the enthalpy change and entropy change across the turbine are represented by ΔH and ΔS respectively for this process:?
Answer: Option 2 For a reversible adiabatic process the entropy change is zero since $$dS = \frac{{\delta Q}}{T}$$ But the enthalpy change need not be zero since the internal energy and...
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