Chemical Process Calculation MCQ

Test your knowledge with important Chemical Process Calculation MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Chemical Process Calculation MCQs at Bissoy

• There must be no accumulation of mass or energy over the time period of interest in a _________
  ক

  Steady state

  খ

  Unsteady state

  গ

  Closed

  ঘ

  None of the mentioned
• If 25 J is work is done by a system and same amount of heat is also supplied to the system. What kind of system is it?
  ক

  Steady state

  খ

  Unsteady state

  গ

  Closed

  ঘ

  None of the mentioned
• If 25 J is work is done on a system and same amount of heat is also supplied. What kind of system is it?
  ক

  Steady state

  খ

  Unsteady state

  গ

  Closed

  ঘ

  None of the mentioned
• 10 J of heat is supplied to a system and a work of 30 J performed on it. If 50 J of heat is removed from the system, which type of system is it?
  ক

  Steady state

  খ

  Unsteady state

  গ

  Closed

  ঘ

  None of the mentioned
• 20 J of heat is supplied to a system and a work of 30 J performed on it. If 50 J of heat is removed from the system, which type of system is it?
  ক

  Steady state

  খ

  Unsteady state

  গ

  Closed

  ঘ

  None of the mentioned
• 25 J of work is done by a steady state system, what is the heat supplied to the system?
  ক

  – 25 J

  খ

  25 J

  গ

  20 J

  ঘ

  – 20 J
• 10 J of heat is removed from a steady state system, what is the work done on the system?
  ক

  – 10 J

  খ

  10 J

  গ

  – 5 J

  ঘ

  5 J
• If x J of work is done on a steady system, what is the heat for the system?
  ক

  + x J

  খ

  –x J

  গ

  0 J

  ঘ

  None of the mentioned
• For a steady state system, 10 J of heat is supplied to the system, what is the work done by the system?
  ক

  10 J

  খ

  20 J

  গ

  30 J

  ঘ

  40 J
• Change in the internal energy for a steady-state system is always ___________
  ক

  Positive

  খ

  Negative

  গ

  Zero

  ঘ

  None of the mentioned
• For an isolated system, internal energy
  ক

  Can change

  খ

  Can`t Change

  গ

  May change

  ঘ

  None of the mentioned
• Specific internal energy is internal energy per unit ________ of the system.
  ক

  Mass

  খ

  Mole

  গ

  Volume

  ঘ

  None of the mentioned
• 2 Kg of steam that contains an internal energy of 20 J/Kg, if 50 J of heat is supplied to the system, what is the resultant internal energy of the system?
  ক

  45 J/Kg

  খ

  40 J/Kg

  গ

  35 J/Kg

  ঘ

  20 J/Kg
• 1 Kg of steam that contains an internal energy of 10 J/Kg, if 10 J of heat is supplied to the system, what is the resultant internal energy of the system?
  ক

  10 J/ Kg

  খ

  20 J/Kg

  গ

  30 J/Kg

  ঘ

  40 J/Kg
• A system does a work of 15 J and the change in internal energy of the system is 10 J, what is the heat supplied to the system?
  ক

  – 15 J

  খ

  15 J

  গ

  – 25 J

  ঘ

  25 J
• 20 J of heat is supplied to a system and change in internal energy of the system is 10 J. If 2 J of heat is taken out then how much was work done on the system?
  ক

  -2 J

  খ

  -4 J

  গ

  -6 J

  ঘ

  -8 J
• 25 J of heat is supplied to a system and work done by the system is 10 J. What is the change in internal energy of the system?
  ক

  10 J

  খ

  15 J

  গ

  25 J

  ঘ

  35 J
• If work done on a system is 20 J and a heat of 15 J is taken out, what is the change in internal energy of the system?
  ক

  5 J

  খ

  10 J

  গ

  20 J

  ঘ

  30 J
• 25 J of heat is supplied to a system and work done by the system is 15 J. What is the change in internal energy of the system?
  ক

  10 J

  খ

  20 J

  গ

  25 J

  ঘ

  35 J
• 20 J of heat is supplied to the system and work done on the system is 15 J. What is the change in internal energy of the system?
  ক

  15 J

  খ

  20 J

  গ

  25 J

  ঘ

  35 J
• If the height gained by the block is half of the initial case, the potential energy will also be ________ of the initial potential energy.
  ক

  Half

  খ

  Double

  গ

  Four times

  ঘ

  None of the mentioned
• If the velocity of the block is doubled, the kinetic energy of the block will be
  ক

  Half

  খ

  Double

  গ

  Four times

  ঘ

  None of the mentioned
• If the block is initially at a height of 2 m and with zero velocity. What is the maximum velocity it can gain?
  ক

  2.26

  খ

  4.26

  গ

  6.26

  ঘ

  8.26
• If the block uses the whole energy to gain some height, what will be that height?
  ক

  0.104 m

  খ

  0.204 m

  গ

  0.304 m

  ঘ

  0.404 m
• The total energy of the block _________ in every operation.
  ক

  Increases

  খ

  Decreases

  গ

  Remains constant

  ঘ

  None of the mentioned
• If the block gets a height of 0.2 m using some of the kinetic energy what is the kinetic energy of the block after reaching the extreme point?
  ক

  0.01 J

  খ

  0.02 J

  গ

  0.03 J

  ঘ

  0.04 J
• If the block gets a height of 5 m, what is the potential energy of the block?
  ক

  49 J

  খ

  98 J

  গ

  87 J

  ঘ

  98 J
• A block having a mass of 1 kg and velocity 2 m/s2 is at the ground. 3. What is the kinetic energy of the block?
  ক

  1 J

  খ

  2 J

  গ

  3 J

  ঘ

  4 J
• A mass having an initial kinetic energy of 40 Jules gets a potential energy of 10 Jules by reaching at a height h. What is the kinetic energy of the mass now?
  ক

  10 J

  খ

  20 J

  গ

  30 J

  ঘ

  40 J
• Law of conservation of energy states that
  ক

  Total energy of the universe is always constant

  খ

  Total energy of the universe is always increasing

  গ

  Total energy of the universe is always decreasing

  ঘ

  None of the mentioned