Bihar SBTE Diploma Mechanical 3rd SEM Dec 2019 Paper on Mechanical Engineering Drawing
| Sr. No. | Questions with options |
| 1 | In first angle projection _____?
(a) Object is kept in first quadrant (b) Object lies between observer and plane of projection (c) Plan comes below elevation (d) All of the above |
| 2 | Hatching lines may be drawn at ______ to the main outlines of the section as and when required
(a) 30 degree (b) 45 degree (c) 60 degree (d) All of the above |
| 3 | Drilling jig is used to _______
(a) Hold the job (b) Guide the tool (c) Both (a) & (b) (d) None of the above |
| 4 | Pulleys are mounted on shaft by _______keys
(a) Sunk (b) Round (c) Saddle (d) None of the above |
| 5 | Tail stock of a lathe machine can be ________on the lathe bed
(a) Rolled (b) Spinned (c) Moved (d) None of the above |
| 6 | Clearance fit is the type of fit in which the shaft diameter is ___________ the hole diameter.
(a) More than (b) Less than (c) Equal to (d) All of the above |
| 7 | The revolution per minute is driving and driven shafts will be different in case of _______
(a) Muff coupling (b) Universal coupling (c) Leather link coupling (d) Compression coupling |
| 8 | Foot step bearing is used to support
(a) Horizontal shaft (b) Vertical shaft (c) Two shafts at small angle (d) All of the above |
| 9 | The method in which the edge or surface is divided in small number of parts and projection is transferred for each point is called ________drawing auxiliary view of an object
(a) Inclined of surface (b) Curved surface (c) Opposite surface (d) Equal surface |
| 10 | Tolerances are given to the parts _____
(a) Because it is impossible to make perfect setting (b) To reduce the weight of the component (c) To reduce cost of the assembly (d) To reduce amount of material used |
| 11 | The type of tolerance provided in drilling is mostly ______
(a) Bilateral (b) Unilateral (c) Both (a) & (b) (d) Zero tolerance |
| 12 | Crowing on pulley helps –
(a) In decreasing the slip of the belt (b) In increasing the speed of the belt (c) To keep the belt in centre on a pulley while it is in motion (d) In increasing the life of pulley |
| 13 | Screws used for power transmission should have –
(a) Very fine thread (b) High efficiency (c) Low efficiency (d) Strong teeth |
| 14 | A hexagonal prism is recting on H.P on one of its longest faces, axis is perpendicular to V.P, the section plane is perpendicular to H.P and inclined to V.P and cutting solid approximately at middle. The section will be like a __________________
(a) Hexagon (b) Irregular hexagon (c) Rectangle (d) Trapezium |
| 15 | The development of the lateral surface of a cylinder is a rectangle having one side equal to the _________of its base circle and the other equal to its length
(a) Circumference (b) Area (c) Diameter (d) Radius |
| 16 | The development of lateral surface of a pyramid consists of a number of equal ______triangles in contact
(a) Equilateral (b) Isosceles (c) Scalene (d) Right angled |
| 17 | A pentagon prism resting on one of its longest faces on H.P and axis of prism is parallel to V.P . The section plane is perpendicular to both H.P and V.P, the section will be a _______
(a) Rectangle (b) Trapezium (c) Pentagon (d) Irregular pentagon |
| 18 | A regular cone is being cut by a plane which is parallel to the axis of cone, the section formed will be like _______
(a) Ellipse (b) Hyperbola (c) Circle (d) Parabola |
| 19 | A prism and cone got intersected at 90 degree, the line of intersection will be _______and parallel to the axis of ____________
(a) Straight line, prism (b) Curve, prism (c) Straight line, cone (d) Curve, cone |
| 20 | The static load is defined as the load acting on the bearing when shaft is _________
(a) Stationary (b) Rotating at rpm <10 (c) Rotating at rpm< 5 (d) Rotating at rpm < 15 |
| Published On – 30th May 2022 | |
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