BPSC SST Technical Male Sample Papers

BPSC SST Technical Male Sample Papers

Balochistan Public Service Commission SST Tech Past Papers, Sample Papers, Model Papers, Paper Pattern

Model Paper for SST- Tech (Male)
Total Marks : 100 Time: 3 Hours
1. Work Shop Practice
2. Drawing

Q: No. 1. Compulsory 25 Marks

1. Identify the pair which has same dimensions
a. Force & power
b. Energy and work
c. Momentum and energy
d. Impulse and momentum
2. Newton’s first law of motion gives the concept of
a. Work
b. Force
c. Inertia
d. Energy
3. Impulse gives a measure of the produce
a. Force and displacement
b. Force and time
c. Force and velocity
4. According to equilibrium law, two force can be equilibrium only if they are
a. equal in magnitude
b. opposite in direction
c. collinear in action
5. The kinetic energy of a body is stated to increase by 300 percent. The corresponding increase in momentum of the body will be
a. 50
b. 100
c. 200
d. 300 percent
6. The apparent weight of a man in a lift is less then the real weight when the left is going down.
a. Freely
b. under the force of gravity
c. with some constant velocity
d. with some acceleration
7. When a body executes simple harmonic motion, there is always a constant ratio between the displacement of mass and its
a. Frequency
b. Velocity
c. time period
d. acceleration
8. Periodic time of a particle moving with simple harmonic motion is the time taken by the particle for
a. quarter oscillation
b. half oscillation
c. complete oscillation
d. two oscillations
9. The length of a seconds pendulum is
a. 56.3cm
b. 74.8cm
c. 99.4cm
d. 112.5 cm
10. The MOI of a body does not depend upon
a. shape of the body
b. mass of the body and its distribution within the body
c. axis of rotation of the body
d. angular velocity of the body
11. The force of friction between two bodies in contact is
a. function of the relative velocity between them
b. always normal to the surface of contact
c. never shown in the free body diagram of the system of these two bodies
d. dependent on the areas of contact
12. Which one of the following surfaces in contact has minimum coefficient of friction
a. wood on wood
b. steel on steel
c. rubber tyre on dry concrete
d. rubber tyre on wet concrete
13. The deformation per unit length in the direction of load is called
a. lateral strain
b. shear strain
c. linear or longitudinal strain
d. volumetric strain
14. Modulus of elasticity is defined as the ratio of
a. axial stress to lateral strain
b. axial stress to axial strain
c. lateral strain to longitudinal strain
d. axial stress to volumetric strain
15. Which amongst the following substances, is most elastic?
a. Brass
b. Glass
c. Rubber
d. Steel
16. Young’s modulus of elasticity for a perfectly rigid body is
a. Zero
b. Unity
c. Infinity
d. some finite non-zero constant
17. Which of the following is a dimensional quantity?
a. shear stress
b. bulk modulus
c. Poisson’s ratio
d. Strain
18. Percentage elongation during tensile test is indicative of
a. Ductility
b. Malleability
c. Creep
d. fatigue strength
19. Toughness of a material signifies
a. strength
b. softening
c. brittleness
d. fatigue resistance
20. Stiffness of a material is expressed in terms of
a. mass density
b. hardness number
c. modulus of elasticity
d. impact strength
21. The tendency of a material to fracture without appreciable of deformation is called
a. Toughness
b. Stiffness
c. Plasticity
d. Brittleness
22. Lack of toughness in a material implies
a. Brittleness
b. Plasticity
c. Malleability
d. creep strength
23. The statement stress is proportional to strain, i.e., the Hook’s law hold goods upto
a. elastic limit
b. proportional limit
c. upper yield point
d. lower yield point
24. The point on the stress-strain curve at which the cross-sectional area of the test specimen starts decreasing is called the
a. elastic limit
b. proportional limit
c. upper yield point
d. ultimate stress point
25. Percentage elongation during tensile test is indicative of
a. Creep
b. Malleability
c. Ductility
d. elasticity of the metal

Part – B Attempt any 3 Questions. Each Question carry 15 marks
Work Shop Practice
a. Electrical shop
b. Metal shop
c. Welding shop
d. Wood Work shop

Short Questions
Q-1. a. Explain Cable and its types
b. Differentiate between conductor and insulator
c. Explain earthing system

Q.2 a. Differentiate between series and parallel circuit
b. What is ohm law?
c. What is resistance, capacitance and inductance

Q. 3 a. Define the fallowing
Welding. Soldering. Brazing. Forging
b. Describe Arc welding electrodes types.
c. Briefly explain the gas welding gases

Q. 4. a. General safety precautions in wood work shop.
b. Differentiate between hammer and mallet
c. Briefly classify wood types

Q. 5. a. What are the cutting tool types and cutting tool materials?
b. Purpose of using of cutting fluids ?
c. Differentiate between natural and manufactured abrasive

Part- C DRAWING Attempt any 2 Questions

Q.1 a. Which instruments are used mainly in drawing.
b. Describe classification of lines.
c. Briefly explain the use of T- Square and Set Square

Q.2. a. Brief note on procedure of dimensioning
b. Briefly describe ISO system of fits
c. What are the different types of fit.

Q. 3 a. Write note on tolerance
b. Discuss permissible deviation of measurements
c. Briefly describe surface condition and symbols.

Recommended Books
1. Technical Drawing. By G. Schiblee and Sheraz Ali
2. Work Shop practice By NISTE Islam abad
3. Manual on Work Shop practice 1 & 2 By S & T E, ministry of Education. Islamabad
4. Basic engineering Drawing & CAD By NISTE

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