# A 1 kg block is resting on a surface with coefficient of friction µ =  0.1. A force of 0.8N is applied to the block as shown in figure. The friction force is

1.  0

2.  0.8N

3.  0.98N

4.  1.2N

4
Correct Answer :

0.8N

Explanation :
No Explanation available for this question

# Consider the following system of equations 2x1+x2+x3=0 X2-x3=0 X1+x2=0 This system has

1.  A unique solution

2.  No solution

3.  Infinite number of solution

4.  Five solutions

4
Correct Answer :

Infinite number of solution

Explanation :
No Explanation available for this question

# A single–point cutting tool with 120 rake angle is used to machine a steel work–piece. The depth of cut, i.e. uncut thickness is 0.81mm. The chip thickness under orthogonal machining condition is 1.8mm. The shear angle is approximately

1.  220

2.  260

3.  560

4.  760

4
Correct Answer :

260

Explanation :
No Explanation available for this question

# Match  the  following non-traditional machining processes with  the  corresponding material removal mechanisms : Machining process                                                              Mechanism of material removal P.    Chemical machining                                                              1.   Erosion Q.   Electro-chemical machining                                                 2.   Corrosive reaction R.    Electro – discharge machining                                              3.   Ion displacement S.    Ultrasonic machining                                                     4.   Fusion and vaporization

1.  P-2, Q-3, R-4,S-1

2.  P-2,Q-4,R-3,S-1

3.  P-3, Q-2,R-4,S-1

4.  P-2,Q-3,R-1,S-4

4
Correct Answer :

P-2, Q-3, R-4,S-1

Explanation :
No Explanation available for this question

# A cubic  casting of 50mm  side undergoes volumetric  solidification shrinkage and volumetric  solid  contraction  of  4%  and  6%  respectively.  No.  riser  is  used. Assume uniform cooling in all directions. The side of the cube after solidification and contraction is

1.  48.32mm

2.  49.90mm

3.  49.94mm

4.  49.96mm

4
Correct Answer :

48.32mm

Explanation :
No Explanation available for this question

# The density of air in kg/m3 at the nozzle exit is

1.  0.560

2.  0.600

3.  0.727

4.  0.800

4
Correct Answer :

0.560

Explanation :
No Explanation available for this question

# Choose  the word  from  the  options  given  below  that  is most  nearly  opposite  in meaning to the given word: Amalgamate

1.  Merge

2.  Split

3.  Collect

4.  Separate

4
Correct Answer :

Split

Explanation :
No Explanation available for this question

# Which of the following options is the closest in the meaning to the word below: Inexplicable

1.  Incomprehensible

2.  Indelible

3.  Inextricable

4.  Infallible

4
Correct Answer :

Incomprehensible

Explanation :
No Explanation available for this question

# If Log (P) = (1/2)Log (Q) = (1/3) Log (R), then which of the following options is TRUE

1.  P2=Q3R2

2.  Q2=PR

3.  Q2=R3P

4.  R=P2Q2

4
Correct Answer :

Q2=PR

Explanation :
No Explanation available for this question

# Choose  the most appropriate word(s)  from  the options given below  to complete the following sentence. I contemplated________Singapore  for my vacation but decided against it.

1.  To visit

2.  having to visit

3.  visiting

4.  for a visit

4
Correct Answer :

visiting

Explanation :
No Explanation available for this question

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