Setup costs do not include

1.  labour cost of setting up machines

2.  ordering cost of raw material

3.  Maintenance cost of the machine

4.  cost of processing the work piece

View Answer  
4
Correct Answer :

cost of processing the work piece


Explanation :
No Explanation available for this question

A dummy activity is used in PERT network to describe

1.  precedence relationship

2.  necessary time delay

3.  resource restriction

4.  resource idleness

View Answer  
4
Correct Answer :

precedence relationship


Explanation :
No Explanation available for this question

The cost of providing service in a queuing system increases with 25 The cost of providing service in a queuing system increases with (a)  increased mean time in the queue  (b)  increased arrival rate (c) decreased mean time in the queue    (d)  decreased arrival rate

1.  increased mean time in the queue

2.  increased arrival rate

3.  decreased mean time in the queue

4.  decreased arrival rate

View Answer  
4
Correct Answer :

decreased mean time in the queue


Explanation :
No Explanation available for this question

A box contains 5 black balls and 3 red balls. A total of three balls are picked from the box one after another, without replacing them back. The probability of getting two black balls and one red ball is

1.  3/8

2.   2/15

3.  15/28

4.  ½

View Answer  
4
Correct Answer :

15/28


Explanation :
No Explanation available for this question

A triangle AB consists of vertex  points  A(0,0)B(1,0) and C(0,1).The value of the integral over the triangle is:

1.  1

2.  1/3

3.  1/8

4.  1/9

View Answer  
4
Correct Answer :

1/3


Explanation :
No Explanation available for this question

the absolute pressure of gas A in the bulb is

1.  771.2 mm Hg

2.  752.65 mm Hg

3.  767.35 mm Hg

4.  748.8 mm Hg

View Answer  
4
Correct Answer :

771.2 mm Hg


Explanation :
No Explanation available for this question

The Reynolds  number for flow of  a certain fluid in a  circular tube is  specified as 2500. What will be the Reynolds number when the tube diameter is increased by 20% and the fluid velocity is decreased by 40% keeping fluid the same

1.  1200

2.  1800

3.  3600

4.  200

View Answer  
4
Correct Answer :

1800


Explanation :
No Explanation available for this question

In a certain heat exchanger, both the fluids have identical mass flow rate-specific heat  product.  The hot fluid enters at 76°C  and leaves at  47°C and the  cold fluid entering at 26°C leaves at 55°C. The effectiveness of the heat exchanger is

1.  0.16

2.  0.58

3.   0.72

4.  1.0

View Answer  
4
Correct Answer :

0.58


Explanation :
No Explanation available for this question

The following data pertain to a single stage impulse steam turbine Nozzle angle = 20°      Blade velocity = 200 m/s Relative steam velocity at entry = 350 m/s   Blade inlet = 30° Blade exit angle = 25° If blade friction is neglected, the work done per kg steam is:

1.  124 kJ

2.  164 kJ

3.  169 kJ

4.   174 kJ

View Answer  
4
Correct Answer :

124 kJ


Explanation :
No Explanation available for this question

Consider an actual regenerative Rankine cycle with one open feed water heater. For each kg steam entering the turbine, if m kg steam with a specific enthalpy of h1 is bled from the turbine, and the specific enthalpy liquid water entering the heater is h2, then h3specific enthalpy of saturated liquid leaving the heater is equal to:

1.  mh1-(h2-h1)

2.  h1-m(h2-h1)

3.  h2-m(h2-h1)

4.  mh2-(h2-h1)

View Answer  
4
Correct Answer :

h2-m(h2-h1)


Explanation :
No Explanation available for this question
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