Today, all competitive exams are Multiple Choice Questions(MCQ) based examination system and the main factor is to answer each question in a prescribed time. So, practice as much as possible before the original test you are going to face.
Total number of Multiple Choice Question (MCQ) is 15 and time allotted for each question is 30 seconds. After the allotted time, the question will be marked as un-attempt.
QUIZ
Test Conducted by: ObjectiveBooks.org
Next Mock Tests:
01. The gases used in the treatment of asthma is a mixture of __________ and oxygen.
(A) Helium
(B) Argon
(C) Neon
(D) None of these
Answer: Option A
02. Measurement of the area of the indented surface is not involved in the __________ hardness testing method.
(A) Vickers
(B) Rockwell
(C) Knoop
(D) Brinell
Answer: Option B
03. No cutting fluid is normally used, while machining
(A) Cast iron
(B) Aluminium
(C) Mild steel
(D) Stainless steel
Answer: Option A
04. 1% concentration of water vapor in air is equivalent to __________ ppm (parts per million).
(A) 10000
(B) 1000
(C) 100
(D) 10
Answer: Option A
05. Cast iron has the unique property of high
(A) Ductility
(B) Damping characteristics
(C) Hardness
(D) Malleability
Answer: Option B
06. Which of the following parameters is actually measured during tensile testing of a specimen using Universal testing machine?
(A) Load & elongation
(B) Engineering stress & strain
(C) True stress & strain
(D) Poisson's ratio & Young's modulus
Answer: Option A
07. An ideal fluid is
(A) Viscous & incompressible
(B) Non-viscous & compressible
(C) Non-viscous & incompressible
(D) Viscous & compressible
Answer: Option C
08. Holes in a plate for riveted joints is preferably made by
(A) Drilling
(B) Tapping
(C) Reaming
(D) Punching
Answer: Option A
09. Prandtl mixing length in turbulent flow signifies the
(A) Average distance perpendicular to the mean flow covered by the mixing particles
(B) Wavelength corresponding to the lowest frequency present in the flow field
(C) Ratio of mean free path to characteristic length of the flow field
(D) Magnitude of turbulent kinetic energy
Answer: Option A
10. The ability of a substance to assume two or more crystalline structure is called
(A) Isomorphism
(B) Polymorphism
(C) Amorphism
(D) Isomerism
Answer: Option B
11. __________ column is preferred to be used, when a high liquid hold up is required in a reactor for gas-liquid reaction.
(A) Packed
(B) Bubble
(C) Spray
(D) Tray
Answer: Option C
12. Milligram of KOH required to saponify 1 gm of oil is called its __________ number.
(A) Saponification
(B) Acid
(C) Precipitation
(D) Emulsion
Answer: Option A
13. Inspection of surface and sub-surface cracks in non-magnetic alloys is done by __________ testing method.
(A) X-ray
(B) Magnetic particle
(C) Dye penetrant
(D) Ultrasonic
Answer: Option C
14. Area under the stress-strain curve upto the __________ is referred to as the modulus of resilience.
(A) Yield strength
(B) Elastic limit
(C) Proportional limit
(D) Maximum point
Answer: Option C
15. Grinding wheel made of silicon carbide is most suitable for grinding materials of low tensile strength (e.g.; tough bronze). Grinding is a __________ operation.
(A) Turning
(B) Dressing
(C) Forming
(D) Surface finishing
Answer: Option D