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MCQs

Heat Radiation, Thermal Properties Of Matter, Dual Nature Of Matter

Total Questions : 247 | Page 16 of 25 pages
Question 151. What is the symbol used for time?
  1.    M
  2.    H
  3.    K
  4.    T
 Discuss Question
Answer: Option D. -> T
Answer: (d).T
Question 152. What is the symbol used for gravity?
  1.    g
  2.    h
  3.    k
  4.    v
 Discuss Question
Answer: Option A. -> g
Answer: (a).g
Question 153. What is the symbol used for specific heat?
  1.    C S
  2.    C R
  3.    C P
  4.    C M
 Discuss Question
Answer: Option C. -> C P
Answer: (c).C P
Question 154. What is the symbol used for convective film coefficient?
  1.    v
  2.    h
  3.    σ
  4.    µ
 Discuss Question
Answer: Option B. -> h
Answer: (b).h
Question 155. What is the symbol used for coefficient of volumetric expansion?
  1.    λ
  2.    µ
  3.    δ
  4.    β
 Discuss Question
Answer: Option D. -> β
Answer: (d).β
Question 156. Which of the followings is a wrong statement?
The shape factor is equal to one
  1.    For any surface completely enclosed by another surface
  2.    For infinite parallel planes radiating only to each other
  3.    For a flat or convex surface with respect to itself
  4.    Inside cylinder to outer cylinder of a long co-axial cylinder
 Discuss Question
Answer: Option D. -> Inside cylinder to outer cylinder of a long co-axial cylinder
Answer: (d).Inside cylinder to outer cylinder of a long co-axial cylinder
Question 157. What is the symbol used for kinematic viscosity?
  1.    v
  2.    λ
  3.    µ
  4.    σ
 Discuss Question
Answer: Option A. -> v
Answer: (a).v
Question 158. Establish a relation for the shape factor of cylindrical cavity with respect to itself of depth h and diameter d. The cavity is closed on its outer surface with a flat plateEstablish A Relation For The Shape Factor Of Cylindrical Cav...
  1.    4 h/4 h + d
  2.    4 h + d/h
  3.    4 h + d/4 h
  4.    h/4 h + d
 Discuss Question
Answer: Option A. -> 4 h/4 h + d
Answer: (a).4 h/4 h + d
Question 159. What is the value of shape factor for two infinite parallel surfaces separated by a distance x?What Is The Value Of Shape Factor For Two Infinite Parallel ...
  1.    0
  2.    1
  3.    x
  4.    Infinity
 Discuss Question
Answer: Option B. -> 1
Answer: (b).1
Question 160. What is the shape factor of a sphere of diameter d inside a cubical box of length l = d?What Is The Shape Factor Of A Sphere Of Diameter D Inside A ...
  1.    π/6
  2.    2 π/6
  3.    π/3
  4.    π/4
 Discuss Question
Answer: Option A. -> π/6
Answer: (a).π/6

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