# The un-damped natural frequency of oscillations of the bar about the hinge point is

4

Explanation :
No Explanation available for this question

# A threaded nut of M16, ISO metric type, having 2 mm pitch with a pitch diameter of 14.701 mm is to be checked for its pitch diameter using two or three numbers of balls or rollers of the following series is

1.  Rollers of 2 mm φ

2.  Rollers of 1.155 mm φ

3.    Balls of 2 mm φ

4.  Balls of 1.155 mm φ

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Rollers of 1.155 mm φ

Explanation :
No Explanation available for this question

# Two slip gauges of 10mm width measuring 1.000 mm and 1.002 mm are kept side by side in contact with each other lengthwise. An optical flat is kept resting on the slip gauges as shown in the figure. Monochromatic light of wavelength 0.0058928 mm is used in the inspection. The total number of straight fringes that can be observed on both slip gauges is

1.  2

2.  6

3.  8

4.    13

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8

Explanation :
No Explanation available for this question

# A part shown in the figure is machined to the sizes given below P = 35.00±0.08mm Q = 12.00±0.02mm R = 13.00%mm With 100% confidence, the resultant dimension W will have the specification

1.  9.99±0.03mm

2.    9.99±0.13mm

3.  10.00±0.03mm

4.  10.00±0.13mm

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9.99±0.03mm

Explanation :
No Explanation available for this question

# Z5 and Z4 are

1.  64 and 45

2.  45 and 64

3.  48 and 60

4.  60 and 48

4

64 and 45

Explanation :
No Explanation available for this question

# Two machines of the same production rate are available for use. On machine 1, the fixed cost is Rs.100 and the variable cost is Rs.2 per piece produced. The corresponding numbers for the machine 2 are Rs.200 and Re.1 respectively. The sale price of the first 800 units is Rs.3.50 per unit and subsequently it is only Rs.3.00. The breakeven production rate for each machine is

1.  75

2.    100

3.  150

4.  600

4

100

Explanation :
No Explanation available for this question

# The center distance in the second stage is

1.  90 mm

2.  120 mm

3.  160 mm

4.  240 mm

4

120 mm

Explanation :
No Explanation available for this question

# A residential school stipulates the study hours as 8.00 pm to 10.30 pm. Warden makes random checks on a certain student 11 occasions a day during the study hours over a period of 10 days and observes that he is studying on 71 occasions. Using 95% confidence interval, the estimated minimum hours of his study during that 10 day period is

1.  8.5 hours

2.  13.9 hours

3.  16.1 hours

4.    18.4 hours

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16.1 hours

Explanation :
No Explanation available for this question

# The sale of cycles in a shop in four consecutive months are given as 70, 68, 82, 95. Exponentially smoothing average method with a smoothing factor of 0.4 is used in forecasting. The expected number of sales in the next month is

1.  59

2.  72

3.    86

4.  136

4

72

Explanation :
No Explanation available for this question

1.  400

2.  2,828

3.  4,000

4.    8,000

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