Question: Which of the following variables controls the physical properties of a perfect gas_________________?

• 1. pressure
• 2. temperature
• 3. volume
• 4. all of the above

Question: Atmospheric pressure is equal to____________?

• 1. 1.013 bar
• 2. 760mm of Hg
• 3. 101.3KN/m2
• 4. All of these

Question: Cold heading or upsetting is categorised as the ________________ process ?

• 1. Extrusion
• 2. Bending
• 3. Rolling
• 4. Forging

Question: Which one can be directly solidified from gaseous state without entering into liquid state ?

• 1. Helium
• 2. Oxygen
• 3. Carbon dioxide
• 4. None of these

Question: Out of the following, maximum temperature drop for a given heat flow & for the same thickness will be in the case of________________?

• 1. Steel
• 2. Glass wood
• 3. Copper
• 4. Fireclay bricks

Question: Glass reacts with___________________?

• 1. H2SO3
• 2. HF
• 3. HNO3
• 4. K2Cr2O7

Question: Lead is added to 60:40 brass primarily to improve_________________?

• 1. Machinability
• 2. Corrosion resistance
• 3. Fluidity
• 4. Strength

Question: A material subjected ________________ must have high resilience?

• 1. Shock loading
• 2. Vibration
• 3. Fatigue
• 4. Tension

Question: An example of unsteady non uniform flow is the flow of liquid under pressure through a__________________?

• 1. Tapering pipe at constant flow rate
• 2. Tapering pipe at either decreasing or increasing flow rate
• 3. Long pipeline of constant diameter
• 4. None of these

Question: Depreciation of machines fails under the indirect expenses head. As per income tax regulations, it is calculated by the __________________ method?

• 1. Diminishing balance
• 2. Sinking fund
• 3. Multiple straight line
• 4. Sum of the years digit