Exam Details
| Subject | theory of machines | |
| Paper | ||
| Exam / Course | pddc | |
| Department | ||
| Organization | Gujarat Technological University | |
| Position | ||
| Exam Date | November, 2018 | |
| City, State | gujarat, ahmedabad |
Question Paper
1
Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
PDDC SEMESTER-V EXAMINATION WINTER 2018
Subject Code:X51901 Date: 30/11/2018
Subject Name: Theory of Machine
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1
Classify the Brakes Dynamometers in brief.
07
What is Freudenstein's equation? How is it helpful in designing the four-bar mechanism when three positions of the input θ2, θ3) and the output link are known?
07
Q.2
Explain Synthesis of function generation.
07
Elaborate the stability of the Four-wheeled vehicles.
07
OR
Define the following terms in respect of Gyroscope Ship
Stern; Precession axis; Steering Effect; Spin plane;
Pitching Effect; Gyroscopic plane; Starboard.
07
Q.3
Differentiate the Governor Flywheels with appropriate examples.
07
Draw and Explain the turning moment diagram of a 4-stroke Multi cylinder engine.
07
OR
Q.3
Explain the following terms
Path generation Function generation
Body guidance.
07
Find a relation for the coefficient of fluctuation of speed in terms of maximum fluctuation of energy and the kinetic energy of the flywheel at mean speed.
07
Q.4
The mass of flywheel of an engine is 5000 Kg radius of gyration is 2m. If the fluctuation of energy is 100 kN.m mean speed is 240 rpm, find the speeds.
07
Discuss about the Sensitivity Hunting of Governors in detail.
07
OR
Q.4
Distinguish between Brakes and Dynamometer.
07
What is Chebychev spacing? What is its significance?
07
Q.5
A disc of dia. 100 mm 4 kg mass is mounted on one end of an arm of length 500 mm. if disc rotates clockwise with 250 rpm, looking from front; find its pecisional speed about vertical axis.
07
Explain effects of gyroscopic couple on a Naval Ship during Steering Rolling.
07
OR
Q.5
Explain the maximum fluctuation of energy equation.
07
Describe the procedure to design a four-bar mechanism by relative
pole method when three positions of the Input links θ2, θ3) and
The Output links are known.
07
Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
PDDC SEMESTER-V EXAMINATION WINTER 2018
Subject Code:X51901 Date: 30/11/2018
Subject Name: Theory of Machine
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1
Classify the Brakes Dynamometers in brief.
07
What is Freudenstein's equation? How is it helpful in designing the four-bar mechanism when three positions of the input θ2, θ3) and the output link are known?
07
Q.2
Explain Synthesis of function generation.
07
Elaborate the stability of the Four-wheeled vehicles.
07
OR
Define the following terms in respect of Gyroscope Ship
Stern; Precession axis; Steering Effect; Spin plane;
Pitching Effect; Gyroscopic plane; Starboard.
07
Q.3
Differentiate the Governor Flywheels with appropriate examples.
07
Draw and Explain the turning moment diagram of a 4-stroke Multi cylinder engine.
07
OR
Q.3
Explain the following terms
Path generation Function generation
Body guidance.
07
Find a relation for the coefficient of fluctuation of speed in terms of maximum fluctuation of energy and the kinetic energy of the flywheel at mean speed.
07
Q.4
The mass of flywheel of an engine is 5000 Kg radius of gyration is 2m. If the fluctuation of energy is 100 kN.m mean speed is 240 rpm, find the speeds.
07
Discuss about the Sensitivity Hunting of Governors in detail.
07
OR
Q.4
Distinguish between Brakes and Dynamometer.
07
What is Chebychev spacing? What is its significance?
07
Q.5
A disc of dia. 100 mm 4 kg mass is mounted on one end of an arm of length 500 mm. if disc rotates clockwise with 250 rpm, looking from front; find its pecisional speed about vertical axis.
07
Explain effects of gyroscopic couple on a Naval Ship during Steering Rolling.
07
OR
Q.5
Explain the maximum fluctuation of energy equation.
07
Describe the procedure to design a four-bar mechanism by relative
pole method when three positions of the Input links θ2, θ3) and
The Output links are known.
07
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