In a condenser of a power plant, the steam condenses at a temperature of 60 0 C . The cooling water enters at  30 0 C and leaves at 45 0 C . The logarithmic mean  temperature difference (LMTD) of the condenser is

1.  16.20C

2.  21.60C

3.  300C

4.  37.50C

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4
Correct Answer :

21.60C


Explanation :
No Explanation available for this question

A simply supported beam PQ is loaded by a moment of 1kN-m at the mid-span of  the beam as shown in the figure. The reaction forces Rp and RQ at supports P and Q respectively are

1.  1kN downward, 1kN upward

2.  0.5kN upward, 0.5kN downward

3.  0.5kN downward, 0.5kNupward

4.  1kN upward, 1kN upward

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4
Correct Answer :

1kN downward, 1kN upward


Explanation :
No Explanation available for this question

A  double –  parallelogram mechanism  is  shown  in  the  figure. Note  that  PQ  is  a single link. The mobility of the mechanism is

1.  -1

2.  0

3.  1

4.  2

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4
Correct Answer :

1


Explanation :
No Explanation available for this question

The maximum possible draft in cold rolling of sheet increases with the

1.  Increase in coefficient of friction

2.  Decrease in coefficient of friction

3.  Decrease in roll radius

4.  Increase in roll velocity

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4
Correct Answer :

Increase in coefficient of friction


Explanation :
No Explanation available for this question

The  operation  in which  oil  is  permeated  into  the  pores  of  a  powder metallurgy product is known as

1.  Mixing

2.  Sintering

3.  Impregnation

4.  infiltration

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4
Correct Answer :

Impregnation


Explanation :
No Explanation available for this question

A  hole  is  dimension mm.  The  corresponding  shaft  is  of  dimension . The resulting assembly has

1.  Loose running fit

2.  Close running fit

3.  Transition fit

4.  Interference fit

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4
Correct Answer :

Transition fit


Explanation :
No Explanation available for this question

Heat and work are

1.  Intensive properties

2.  Extensive properties

3.  Point functions

4.  Path functions

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4
Correct Answer :

Path functions


Explanation :
No Explanation available for this question

A column has a rectangular cross-section of 10mm x 20mm and a length of 1m. The slenderness ratio of the column is close to

1.  200

2.  346

3.  477

4.  1000

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4
Correct Answer :

346


Explanation :
No Explanation available for this question

A series expansion for the function sinθ  is

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
No Explanation available for this question

Green sand mould indicates that

1.  Polymeric mould has been cured

2.  Mould has been totally dried

3.  Mould is green in colour

4.  Mould contains moisture

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4
Correct Answer :

Mould contains moisture


Explanation :
No Explanation available for this question
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