Sail E0 Webinar

MCQs

Total Questions : 765 | Page 75 of 77 pages
Question 741. In jet propulsion power unit, the inlet duct of diverging shape is used in order to
  1.    Beautify the shape
  2.    Collect more air
  3.    Provide robust structure
  4.    Convert kinetic energy of air into pressure energy
 Discuss Question
Answer: Option D. -> Convert kinetic energy of air into pressure energy
Question 742. The ratio of isentropic work to Euler’s work is known as
  1.    Isentropic efficiency
  2.    Compressor efficiency
  3.    Euler
  4.    Pressure coefficient
 Discuss Question
Answer: Option D. -> Pressure coefficient
Question 743. The ratio of the net work obtained from the gas turbine plant to the turbine work is known as
  1.    Pressure ratio
  2.    None of these
  3.    Compression ratio
  4.    Work ratio
 Discuss Question
Answer: Option D. -> Work ratio
Question 744. The ratio of isentropic work to Euler work is known as
  1.    Slip factor
  2.    Polytropic reaction
  3.    Work coefficient
  4.    Pressure coefficient
 Discuss Question
Answer: Option D. -> Pressure coefficient
Question 745. Gas turbine cycle with regenerator
  1.    Allows high compression ratio
  2.    Decreases heat loss is exhaust
  3.    Increases thermal efficiency
  4.    Allows operation at very high altitudes
 Discuss Question
Answer: Option C. -> Increases thermal efficiency
Question 746. In a single acting reciprocating compressor, the suction, compression and delivery of air takes place in ________ of the piston.
  1.    Four strokes
  2.    One stroke
  3.    Two strokes
  4.    Three strokes
 Discuss Question
Answer: Option C. -> Two strokes
Question 747. The thermal efficiency of a gas turbine as compared to a diesel plant is
  1.    Depends on other factors
  2.    Same
  3.    Less
  4.    More
 Discuss Question
Answer: Option C. -> Less
Question 748. The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio)
  1.    1 - (1/r) ɣ-1/ɣ
  2.    1 - r ɣ-1
  3.    1 - (1/r) ɣ/ɣ-1
  4.    r ɣ-1
 Discuss Question
Answer: Option A. -> 1 - (1/r) ɣ-1/ɣ
Question 749. What will be the volume of air at 327°C if its volume at 27°C is 1.5 m³/ mt?
  1.    3 m³/ mt.
  2.    1.5 m³/ mt.
  3.    6 m³/ mt.
  4.    18 m³/ mt.
 Discuss Question
Answer: Option A. -> 3 m³/ mt.
Question 750. The capacity of a compressor is 5 m/min refers to
  1.    Standard air
  2.    Compressed air
  3.    Compressed air at delivery pressure
  4.    Free air
 Discuss Question
Answer: Option D. -> Free air

Latest Videos
Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)
Direction Sense Test Part 1 Reasoning (Hindi)
Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE
Cube & Cuboid Part 1 Reasoning (Hindi)
Data Interpretation (DI) Basic Concept Reasoning (Hindi)
Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)
Sail E0 free webinar Webinars
Real Numbers Part 7 Class 10 Maths
Real Numbers Part 1 Class 10 Maths
Polynomials Part 1 Class 10 Maths

Latest Test Papers

DSP Combined 1 Free Revision Test SAIL JO E-0
GPOE / GPA Combined 1 Free Revision Test SAIL JO E-0
BSP Plant Specific Review Test SAIL JO E-0
BSL Combined 1 Free Revision Test SAIL JO E-0
GFM Combined 1 Free Revision Test SAIL JO E-0