###### Principles of Mechanical Engineering

320 SOLVED PROBLEMS

Question: A2.19

## A simply supported beam carries point loads as shown in Fig. 19. Draw SFD and BMD. ...

The loaded beam is shown in Fig. 20 (a) R_A...
Question: A2.18

## A simply supported beam carries point loads as shown in Fig. 17. Draw SFD & BMD. ...

The loading diagram is shown in Fig. 18 (a). [late...
Question: A2.17

## For the beam shown in Fig. 15, draw SFD and BMD. ...

The loading diagram is shown in fig. 16 (a). [late...
Question: A2.16

## The intensity of loading in a simply supported beam of 8 m span varies gradually from 2 KN/m at one end to 6 k N/m at the other end. Draw the shear force and bending moment diagram. ...

The loading diagram is shown in Fig. 14 (a). The i...
Question: A2.15

## A flat belt is required to transmit 35 kW from a pulley of 1.5 m effective diameter running at 300 rpm. The angle of contact is spread over 11/24 of th e circumference and the coefficient of friction between belt and pulley surface is 0.3. Taking centrifugal tension into account, determine the ...

Given : P = 35 kW, d = 1.5 m, n = 300 rpm, ...
Question: A2.14

## At a point in an elastic material under strain, there are normal stresses of 50 N/mm² and 30 N/mm² respectively at right angles to each other with a shearing stress of 25 N/mm². Find the principle stresses the position of principal planes if (a) 50 N/mm² and 30 N/mm² are both tensile.’ (b) 50 N/mm² ...

(a) \sigma_x=50 \mathrm{~N} / \mathrm{mm}^2...
Question: A2.13

## A 6 m long cantilever carries loads of 2 kN at 2 m and 5 m respectively from the fixed end and a UDL of 10 kN over its entire length. Draw shear force and bending moment diagrams. ...

The loding diagram is shown in Fig. 13 (a). UDL, [...
Question: A2.12

## Draw the SF and BM diagrams for a cantilever loaded as shown in Fig. 11. ...

The loading diagram is shown in Fig. 12 (a). S.F.D...
Question: A2.11

## Calculate the thermal efficiency of an engine working on the Otto cycle. The bore and the stroke of the cylinder are 17 cm and 30 cm respectively. The clearance volume of 0.002025 m³. Assume γ = 1.4. ...

Given : D = 17 cm, L = 30 cm, $V_C$ =...