Page 88 - ie2 August 2019

DO YOU KNOW? Answers to the previous instalment
of Do You Know? appearing in
IndianEngineeringExports Vol.12 Issue 4, July 2019

1.What are considered as the building 7. What field of study encompasses 1. C: Aluminium is the most abundant
blocks for engineering materials? the procurement and production of metal in nature in the earth’s crust, it is
A. Atom metals? never found free in nature.
B. Molecule A. Metallurgy 2 C: Karbi Anglong District, Assam is
C. Nucleon B. Alloy where Garampani Wildlife Sanctuary is
D. Proton C. Energy located. It is one of the oldest sanctuaries
containing hot water spring and waterfalls
D. Duellurgy and is surrounded by Nambor Sanctuary
2. The engineering materials known as housing 51 rare species of orchid.
‘plastics’ are more correctly called ... 8. Efficiency of a machine is the ratio of 3 C: Fully rigid design is the method of
A. Poly A. Power output to power input design of steel framework for greatest
B. Plastics B. Power input to power output rigidity and economy in weight.
C. Copolymers C. Total work done to total energy 4 D: All of the above: Galileo was an
D. Polymers D. Total energy to total power astronomer who developed the telescope,
discovered four satellites of Jupiter,
3. What is the amount of energy is 9. Which of the following has lowest and discovered that the movement of
required to fracture a given volume of resistance grounding on earth? the pendulum produces a regular time
material? A. Sand measurement.
A. Ultimate strength B. Clay 5 D: The ultraviolet rays convert skin
B. Allowable strength C. Surface loam soil oil into Vitamin D. So Sun exposure can
C. Modulus of elasticity D. Limestone bring about an improvement in health.
D. Impact strength 6 B: Euclid is the father of Geometry.
10. Which of these deals with the geom-
4. What type of steel has a carbon as its etry of motion? 7 B: Quality Control processes involve
gathering and analysing statistical
principal hardening agent? A. Kinematics information on a manufactured
A. Iron steel B. Statics product to verify that it conforms
B. Carbon steel C. Dynamics to predetermined standards and
C. Alloy D. Kinetics specifications.
D. Iron carbon 8 A: Shakuntala Devi is the person,
11. It is a pictorial representation in who holds pride of place for beating
5. A steel cannot qualify for the stain- solving a system computers as a mathematical wizard. She
less prefix until it has at least what A. Analytical was also known as the ‘human computer’
proportion of Chromium? B. Polygon for her ability to make incredibly swift
calculations.
A. 10.5% C. Graphical
B. 3% D. Mathematical 9 D: Design Process is an engineering
C. 12% method which uses a logical sequence of
steps that begins with a specific problem,
D. 15% 12. What is a reference sheet for the or perceived need, and results in a
elements that can be used to form engi- solution.
6. What do you call the removal of zinc neering materials?
from brasses? A. Periodic table 10 D: Aluminium. In Product
Engineering, for aluminium the cutting
A. Dezincification speed is maximum when machining with
B. Decentralise B. Truth table high-speed steel tools.
C. Extraction C. Building blocks of materials 11 A: Marie and Pierre Curie invented the
D. Cohesion D. Structure of materials radioactive element radium. On 20 April
1902, Marie and Pierre Curie successfully
isolate radioactive radium salts from the
We have no winners for the July Quiz mineral pitchblende in their laboratory
in Paris.

We look forward to your active participation, so send us your answers asap. The names of 12 B: Batch Type Production was invented
by Henry Ford, which is still used in a
the first three winners will appear in our next issue. Mail your answers/correct options to: similar form to manufacture cars today.
mchatterjee@eepcindia.net

88 l INDIAN ENGINEERING EXPORTS l AUGUST 2019