DESIGN OF MACHINE MEMBERS(DMM)
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MACHINE DESIGN-JNTUK R20 SYLLABUS
1
A shaft running at 400rpm transmits 10kW. Assuming allowable shear stress in shaft is 40Mpa,
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2
A helical compression spring made of oil tempered carbon steel, is subjected to a load which varies
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3
DMM1-UNIT5- Introduction to mechanical springs
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4
DMM1-UNIT5- derivation for energy storage capacity of helical compression spring
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5
A cylindrical shaft made of steel yield strength 800Mpa is subjected to staticloads bending moment
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6
A railway wagon weighing 50 kN and moving with a speed of 8 km per hour has to be stopped by four
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7
Design a compression helical spring to carry a load of 500 N with a deflection of 25 mm
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8
A shaft 80 mm diameter transmits power at maximum shear stress of 63 MPa. Find the length of a 20 mm
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9
A machine component is subjected to fluctuating stress that varies from 40 to 100 N/mm².
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10
A shaft 30 mm diameter is transmitting power at a maximum shear stress of 80 MPa. If a pulley is
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11
A bolt is subjected to an axial pull of 10 KN and a transverse shear force of 5 kN. The yield
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12
A shaft is designed based on maximum distortion energy theory with a factor of safety of 2.0.
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13
DMM1-Springs-A helical spring is made from a wire of 6 mm diameter and has outside diameter of 75 mm
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14
A compression coil spring made of an alloy steel is having the following specifications: Mean
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15
A solid shaft is to transmit 1000 kW at 120 rpm. Find the shaft diameter if the permissible shear..
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16
JNTUK R20 SYLLABUS-DESIGN OF SHAFTS - HOLLOW SHAFT PROBLEM@designofmachinemembersbyga3753
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17
A steel connecting rod is subjected to a completely reversed axial load of 1,600 MPa. Suggest the
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18
An automobile leaf spring is subjected to cyclic stress such that the average stress is 150Mpa,
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19
DMM1-Unit1-Impact stress example-A weight of 1400 N is dropped on to a collar at the lower end of
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20
DESIGN OF SHAFTS-Combined loading problems-JNTUK-R20 syllabus
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21
Determine the diameter of a circular rod made of ductile material with a fatigue strength
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22
A bar of 12 mm diameter gets stretched by 3 mm under a steady load of 8 kN. What stress would be
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23
Mechanical SpringsA close coiled helical compression spring of 16 active coils has a spring
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24
JNTUK R20-DMM1-(MECHANICAL SPRING)-how spring stiffness is doubled when cut it into two equal halfs
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25
A machine element is loaded so that sigma_{1}= 120 Mpa, sigma_{2} = 70Mpa sigma_{3} = - 90Mpa the
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26
A solid shaft running at 160 rpm has to transmit 100 KW of power. The material must not be stressed
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27
Design a compression helical spring to carry a load of 600 N with a deflection of 28 mm. The spring
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28
A shaft subjected to twisting and bending moments of 1200N-m and 800 N-m respectively.
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