Question: Two non-collinear parallel equal forces acting in opposite direction________________?

• 1. balance each other
• 2. constitute a moment
• 3. constitute a couple
• 4. constitute a moment of couple

Question: The magnitude of two forces, which when acting at right angle produce resultant force of VlOkg and when acting at 60° produce resultant of Vl3 kg. These forces are____________________?

• 1. 2 and V6
• 2. 3 and 1 kg
• 3. V5andV5
• 4. 2 and 5

Question: Which of the following is not a scalar quantity__________________?

• 1. time
• 2. mass
• 3. volume
• 4. acceleration

Question: The forces, which meet at one point, but their lines of action do not lie in a plane, are called______________?

• 1. coplanar non-concurrent forces
• 2. non-coplanar concurrent forces
• 3. non-coplanar non-concurrent forces
• 4. intersecting forces

Question: Which of the following is not the unit of pressure ?

• 1. kg/cm
• 2. ata
• 3. atmosphere
• 4. newton

Question: The unit of work or energy in S.I. units is________________?

• 1. newton
• 2. pascal
• 3. kilogram meter
• 4. joule

Question: In the lever of third order, load W, effort P and fulcrum F are oriented as follows_________________?

• 1. W between P and F
• 2. F between W and P
• 3. P between W and F
• 4. W, P and F all on one side

Question: If the scheduled completion time of a project is more than the earliest expected time for completion of the project, then the probability of completion of the project within the scheduled completion time will be__________________?

• 1. 50%
• 2. less than 50%
• 3. more than 50%
• 4. 100%

Question: A four wheel trac*or whose operating weight is 12000 kg is pulled along a road having a rising slope of 2% at a uniform speed. Assume grade resistance factor = 10 kg/tonne. The tension in the tow cable is 720 kg. The rolling resistance of the road will be

• 1. 20 kg/tonne
• 2. 30 kg/tonne
• 3. 40 kg/tonne
• 4. 50 kg/tonne

Question: The grade resistance factor for an earth moving machine can be obtained by multiplying grade percentage by a factor approximately equal to_________________?

• 1. 2 kg/tonne
• 2. 6 kg/tonne
• 3. 9 kg/tonne
• 4. 20 kg/tonne