# 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

4

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

4

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

4

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

4

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

4

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

4

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

4

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

4

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

4

124 kJ

Explanation :
No Explanation available for this question

1.  mh1-(h2-h1)

2.  h1-m(h2-h1)

3.  h2-m(h2-h1)

4.  mh2-(h2-h1)

4