AUTOMOBILE DEPARTMENT PRACTICAL MODEL QUESTION PAPER | 4021350 MATERIAL TESTING AND FLUID MECHANICS AND PNEUMATICS PRACTICAL

AUTOMOBILE DEPARTMENT PRACTICAL MODEL QUESTION PAPER | 4021350 MATERIAL TESTING AND FLUID MECHANICS AND PNEUMATICS PRACTICAL

Diploma Jan 2022 offline Exam எழுத உள்ள மாணவர்களுக்கு முதலில் Practical Exam நடைபெறும் என்று உயர் கல்வித்துறை அறிவித்த நிலையில் மாணவர்கள் Practical Examக்கு தயாராவதற்கு Model Questions வழங்கி உள்ளோம் . இந்த கேள்விகளில் ஏதேனும்  ஒரு கேள்விக்கு நீங்கள் பதிலளிக்க வேண்டி இருக்கும் .எனவே மாணவர்கள் இந்த Model Questions ஐ பயன்படுத்தி Prepare செய்யவும் .

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ANSWERE FOR ONE QUESTION 

1. A)Conduct a tension test on the given Mild Steel specimen using UTM and determine Young’s Modulus of Elasticity, Yield points, Percentage elongation and Percentage reduction in area and draw the stress-strain diagram.
B) Construct the Pneumatic Circuit for direct operation of a Single Acting Cylinder using pilot valve and execute it.
2. A) Conduct a torsion test on the given Mild Steel specimen and determine the shear stress and shear modulus. Also draw a graph between torque and angle of twist in radians.
B) Construct the Hydraulic Circuit for Speed control of Double Acting Cylinder using “metering in” circuit and execute them.
3. A) Conduct a compression test on the given open coiled spring using Spring Testing Machine and determine its modulus of rigidity, strain energy, shear stress and stiffness by load deflection method. Also draw a graph between load and deflection.
B) Construct the Hydraulic Circuit for direct operation of a Hydraulic Motor and execute it.
4.A) Determine the co-efficient of discharge of an orifice by variable head method and draw a graph between√H1 -√H2Vs time taken (t).
B) Construct the pneumatic circuit for automatic operation of Double Acting cylinder in
Single cycles -Using limit switches.
5.A) Determine the co-efficient of discharge of a venturi meter and draw the following Graphs (i) head Loss (hf) Vs actual discharge (Qa) and (ii) head loss (hf) Vs co-efficient of discharge (Cd).
B) Construct the Pneumatic Circuit for Speed control of double acting cylinder using “metering in” circuit and execute them.
6 A) Determine the friction factor of the given pipe and draw a graph between friction head (hf) and Velocity (v).
B) Construct the Hydraulic Circuit for direct operation of a Double Acting Cylinder and execute.
7 A) Determine the co-efficient of discharge of an orifice by v a r i a b l e head method and draw agraphbetween√H1 -√H2Vs time taken (t).
B) Construct the Pneumatic Circuit for direct operation of a Double Acting Cylinder using pilot valve and execute it.

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8 A) Conduct a compression test on the given open coiled spring using Spring Testing
Machine and determine its modulus of rigidity, strain energy, shear stress and stiffness by load deflection method. Also draw a graph between load and deflection.
B) Construct the Pneumatic Circuit for Speed control of double acting cylinder using “metering out” circuit and execute them.
9 A) Determine the co-efficient of discharge of a venturi meter and draw the following Graphs    (i) head Loss (hf) Vs actual discharge (Qa) and (ii) head loss (hf) 
B) Construct the Hydraulic Circuit for Speed control of Double Acting Cylinder using “metering out” circuit and execute them.

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