Related Questions

In a steam engine, the piston rod is usually connected to the cross-head by means of a
A Knuckle joint
B Cotter joint
C Oldham coupling
D Universal joint
For the same length of stroke and speed of crankshaft, the piston speed for a double acting steam engine is _________ the piston speed of single acting steam engine.
A Equal to
B Twice
C Three times
D Four times
In a steam engine, the valve rod is connected to an eccentric rod by means of
A Cotter joint
B Knuckle joint
C Universal joint
D Flange coupling
The valve rod in a steam engine is connected to an eccentric rod by
A Cotter joint
B Bolted joint
C Knuckle joint
D Universal coupling
If 'blue' means 'green', green' means 'yellow' 'yellow' means 'orange', 'orange' means 'black', 'black' means 'white', 'white' means 'red', 'red' means 'pink', 'pink' means 'brown', 'brown' means 'grey', than what is the color of human blood?
A black
B red
C white
D orange
The velocity of piston in a reciprocating steam engine is given by (where $$\omega $$ = Angular velocity of crank, r = Radius of crank pin circle, $$\theta $$ = Angle turned by crank from inner dead center and n = Ratio of length of connecting rod to the radius of crank)
A $$\omega {\text{r}}\left( {\sin \theta + \frac{{\sin 2\theta }}{{\text{n}}}} \right)$$
B $$\omega {\text{r}}\left( {\cos\theta + \frac{{\cos2\theta }}{{\text{n}}}} \right)$$
C $${\omega ^2}{\text{r}}\left( {\sin \theta + \frac{{\sin 2\theta }}{{\text{n}}}} \right)$$
D $${\omega ^2}{\text{r}}\left( {\cos\theta + \frac{{\cos2\theta }}{{\text{n}}}} \right)$$
A compound steam engine in which the high pressure and low pressure cylinders have common piston rod, is called
A Receiver type compound engine
B Tandem type compound engine
C Woolf type compound engine
D None of these
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
A Throttle governing
B Cut-off governing
C By-pass governing
D None of these
In a steam engine, superheated steam from the boiler is fed into the steam chest at a pressure of
A 10 atmospheres
B 20 atmospheres
C 30 atmospheres
D 40 atmospheres
A single acting steam engine produces __________ power than that of double acting steam engine.
A equal
B double
C half
D 4 times

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