WSC Group 4 Level 1_1-25

Find the answer of the expression 25 * 1.5 + 2.5 / 18 upto 4 places of decimal.

• 45.4253
• 37.6388
• 52.1245
• 75.2563

What will be the degree of freedom in the link mechanism shown in the given figure?

• 1
• 2
• 3
• 4

Find the original price of the goods, if the craftman sells goods for Rs 450 after giving 25% discount?

• 600
• 650
• 550
• 500

In the figure, which measuring quantity is used to measure the cable

• length
• mass
• time
• electric current

Find the mass of an object, if the net force acting on object is 450N which accelerates at 50 m/s2?

• 6 kg
• 9 kg
• 4 kg
• 7 kg

In the free body diagram, two forces are shown. What will be the acceleration of the ball, if the weight of the ball is 4kg?

• 1.5 m/s2
• 1.0 m/s2
• 0.5 m/s2
• 2.0 m/s2

Find the gravitational force between the two objects m1 and m2 separated by distance 30m having their masses 20kg and 30 kg respectively? Take G as G = 6.6726 x 10-11N-m2/kg2.

• 4.4484 x 10-11N
• 8.2453 x 10-10N
• 3.5247 x 10-9N
• 4.4542 x 10-13N

In an inclined plane as shown, potential energy at top of building is 70 J. What will be the potential energy at point A and B?

• 35J
• 70J
• 0J
• 100J

In proportionally curve, which alphabet describes yield point?

• A
• B
• C
• None of these

What will be the velocity ratio of wheel and axle having wheel diameter as 500 mm and axle diameter as 250mm.

• 4
• 2
• 1
• 5