# Science and Technology Questions for SSC Stenographer PDF

0
692

### Science and Technology Questions for SSC Stenographer PDF

SSC Stenographer Science and Technology Questions and Answers download PDF based on previous year question papers of SSC exam. Top – 15 Very important Science and Technology Questions for Stenographer.

Question 1: Noise is measured in

a) Watt

b) REM

d) Decibel

Question 2: Who discovered cement?

a) Agassit

b) Albertus Magnus

c) Joseph Aspdin

d) Janseen

Question 3: Optical fibres are based on the phenomenon of

a) Interference

b) Dispersion

c) Diffraction

d) Total Internal Reflection

Question 4: Which bacterial strain developed from natural isolates by genetic manipulations can be used for treating oil spills?

a) Agrobacterium

b) Clostridum

c) Nitrosomonas

d) Pseudomonas

Question 5: Which of the following refers to too much electricity and may cause a voltage surge?

a) Anomaly

b) Shock

c) Spike

d) Virus

e) Splash

Question 6: Which atomic particle has greatest mass ?

a) electron

b) proton

c) neutron

d) hydrogen nucleus

Question 7: Plotter are very useful in applications such as—-

a) Computer aided design

b) Word Processing

c) Financial Accounting

d) Spell checking

e) None of these

Question 8: Dry ice is–

a) Ice – dust

b) Liquefied Nitrogen

c) Liquefied Hydrogen

d) Solid $CO_{2}$

Question 9: A metal wire of length l and area of cross section A is subjected to a longitudinal force Mg. The wire elongates by a length l. If the Youngs Modulus of the material of the wire is Y, the work done by the external force is:

a) $\frac{A}{2L} Y1^{2}$

b) $Mgl$

c) $( \frac{Mg}{A^{2}}) l$

d) $\frac{YAl^{2}}{L}$

Question 10: If light enters an equilateral glass prism (n=1.50) with an angle of incidence of 45 degree what is the angle of refraction as the beam emerges from the prism ?Note that an equilateral triangle has three 60° angles.

a) 67.2°

b) 52.4°

c) 43.5°

d) 60°

SSC Stenographer Previous Papers

Question 11: In simple harmonic motion, what remains constant?

a) Amplitude

b) Angular displacement

c) Time period

d) Kinetic energy

Question 12: Which of the following cannot be called a horticultural crop ?

a) Apple

b) Coconut

c) Moong

d) Sunflower

e) Leafy Vegetables

Question 13: Solder is an alloy of

b) Zinc and Copper

c) Tin and Zinc

Question 14: Tachycardia is a condition characterized by

a) heart-rate decreases from the normal

b) heart- rate increases from the normal

c) heartbeat stops

d) heart fails to pump

Question 15: The technology used in the electronic printer is called

a) Micro array

b) Micro millimetric

c) Micro technology

d) Micro encapsulation