Bihar SBTE Diploma Mechanical 5th SEM Dec 2019 Paper on Auto Component Design
| Sr. No. | Questions with options |
| 1 | Which of the following has threads at both the ends?
(a) Bolt (b) Stud (c) Tapped bolt (d) None of these |
| 2 | A bolt of specification M22 x 1.5 means
(a) Cross sectional area of the thread is 22 sq. mm (b) The pitch of the thread is 22 mm and depth is 1.5 mm (c) The nominal diameter of the bolt is 22 mm and pitch is 1.5 mm (d) None of the following |
| 3 | In flange coupling, the flanges are coupled together by means of
(a) Studs (b) Headless tapered bolts (c) Bolts and nuts (d) None of the above |
| 4 | Foot step bearing is used to support
(a) Horizontal shaft (b) Vertical shaft (c) Inclined shaft (d) None of the above |
| 5 | Where there is a small amount of angular movement then rods may be connected by
(a) Cotter joint (b) Knuckle joint (c) Riveted joint (d) None of the above |
| 6 | Bearing may take up
(a) Radial loads (b) Axial loads (c) Both (d) None of the above |
| 7 | Piston rings may be
(a) Compression rings (b) Oil scraper rings (c) Both (d) None of the above |
| 8 | Which of the following has both right hand and left hand thread?
(a) Turnbuckle or coupler (b) Hexagonal bolt (c) Stud (d) None of the above |
| 9 | Factor of safety in machine design is generally
(a) Less than one (b) Greater than one (c) Equal to one (d) None of the above |
| 10 | Usually the section of connecting rod shank is
(a) Rectangular (b) Circular (c) I – Section (d) None of the above |
| 11 | Which of the following screw thread is adopted for power transmission in either direction?
(a) Acme threads (b) Square threads (c) Buttress threads (d) Multiple threads |
| 12 | A spring used to absorb shocks and vibrations is
(a) Closely – coiled helical spring (b) Open – coiled helical spring (c) Conical spring (d) Torsion spring |
| 13 | The size of gear is usually specified by
(a) Pressure angle (b) Pitch circle diameter (c) Circular pitch (d) Diametral pitch |
| 14 | A leaf spring in automobile is used
(a) To apply forces (b) To measure forces (c) To absorb shocks (d) To store strain energy |
| 15 | The stress in the bar when the load is applied suddenly is ______ as compared to the stress induced due to gradually applied loads
(a) Half (b) Same (c) Double (d) None of the above |
| 16 | In leaf spring, the longest leaf is known as
(a) Lower leaf (b) Upper leaf (c) Master leaf (d) None of the above |
| 17 | A clutch is usually designed to transmit maximum torque which is ___
(a) Equal to maximum engine torque (b) 80% of the maximum engine torque (c) 150% of the maximum engine torque (d) None of the above |
| 18 | The taper on a rectangular sunk key is
(a) 1 in 16 (b) 1 in 32 (c) 1 in 48 (d) 1 in 100 |
| 19 | Which of the following loading is considered for design of axles?
(a) Bending moment only (b) Twisting moment only (c) Combined bending moment and torsion (d) Combined action of bending moment, twisting moment and axial thrust |
| Data Collected By – Rashmi | |
| Published On – 25th May 2022 | |
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