Rotary lime kiln is an example of a/an __________ system. (A) Closed (B) Open (C) Isolated (D) Non-thermodynamic

Rotary lime kiln is an example of a/an __________ system. (A) Closed
(B) Open
(C) Isolated
(D) Non-thermodynamic
by

1 Answer

Answer :

(B) Open
by

Related questions

Calcination of limestone to produce lime is done in a __________ kiln. (A) Tunnel (B) Rotary (C) Vertical shaft (D) Both (B) and (C)

Description : Calcination of limestone to produce lime is done in a __________ kiln. (A) Tunnel (B) Rotary (C) Vertical shaft (D) Both (B) and (C)

Last Answer : (D) Both (B) and (C)

Calcination of limestone is not done in a __________ kiln for producing lime. (A) Vertical shaft (B) Rotary (C) Fluidised bed (D) Fixed bed

Description : Calcination of limestone is not done in a __________ kiln for producing lime. (A) Vertical shaft (B) Rotary (C) Fluidised bed (D) Fixed bed

Last Answer : (D) Fixed bed

Mixture of ice and water form a  (a) closed system  (b) open system  (c) isolated system  (d) heterogeneous system  (e) thermodynamic system.

Description : Mixture of ice and water form a  (a) closed system  (b) open system  (c) isolated system  (d) heterogeneous system  (e) thermodynamic system.

Last Answer : Answer : d

Rotary kiln is not involved in the production of (A) Cement (B) Lime from limestone (C) Slaked lime from quick lime (D) None of these

Description : Rotary kiln is not involved in the production of (A) Cement (B) Lime from limestone (C) Slaked lime from quick lime (D) None of these

Last Answer : (C) Slaked lime from quick lime

To obtain cement dry powder, lime stones and shales or their slurry, is burnt in a rotary kiln at a temperature between (A) 1100° and 1200°C (B) 1200° and 1300°C (C) 1300° and 1400°C (D) 1400° and 1500°C

Description : To obtain cement dry powder, lime stones and shales or their slurry, is burnt in a rotary kiln at a temperature between (A) 1100° and 1200°C (B) 1200° and 1300°C (C) 1300° and 1400°C (D) 1400° and 1500°C

Last Answer : D

Thermal efficiency of a limestone calcination rotary kiln may be around __________ percent. (A) 20 (B) 40 (C) 65 (D) 80

Description : Thermal efficiency of a limestone calcination rotary kiln may be around __________ percent. (A) 20 (B) 40 (C) 65 (D) 80

Last Answer : (B) 40

A/an __________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor. (A) Isolated (B) Closed (C) Open (D) None of these

Description : A/an __________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor. (A) Isolated (B) Closed (C) Open (D) None of these

Last Answer : (C) Open

A system in which there is exchange of energy but not of mass, is called a/an __________ system. (A) Isolated (B) Open (C) Insulated (D) Closed

Description : A system in which there is exchange of energy but not of mass, is called a/an __________ system. (A) Isolated (B) Open (C) Insulated (D) Closed

Last Answer : (D) Closed

Large tonnage of refractory bricks are dried in a (A) Shaft furnace (B) Rotary hearth furnace (C) Tunnel kiln (D) Muffle furnace

Description : Large tonnage of refractory bricks are dried in a (A) Shaft furnace (B) Rotary hearth furnace (C) Tunnel kiln (D) Muffle furnace

Last Answer : (C) Tunnel kiln

Which of the following is a heat treatment furnace? (A) Muffle furnace (B) Annealing furnace (C) Reheating furnace (D) Rotary kiln

Description : Which of the following is a heat treatment furnace? (A) Muffle furnace (B) Annealing furnace (C) Reheating furnace (D) Rotary kiln

Last Answer : (B) Annealing furnace

Cement Kiln is a (A) Rotary Kiln (B) Tunnel Kiln (C) Natural draft furnace (D) Batch furnace

Description : Cement Kiln is a (A) Rotary Kiln (B) Tunnel Kiln (C) Natural draft furnace (D) Batch furnace

Last Answer : (A) Rotary Kiln

Which of the following is a periodic furnace? (A) Tunnel kiln (B) Rotary kiln (C) Soaking pit (D) Reheating furnace

Description : Which of the following is a periodic furnace? (A) Tunnel kiln (B) Rotary kiln (C) Soaking pit (D) Reheating furnace

Last Answer : (C) Soaking pit

Calcination reaction of limestone (CaCO3 → CaO + CO2 ) goes to completion in the rotary kiln, because (A) CaO is not dissociated (B) CO2 escapes continuously (C) Of high calcination temperature (D) CaO is more stable than CaCO3

Description : Calcination reaction of limestone (CaCO3 → CaO + CO2 ) goes to completion in the rotary kiln, because (A) CaO is not dissociated (B) CO2 escapes continuously (C) Of high calcination temperature (D) CaO is more stable than CaCO3

Last Answer : (B) CO2 escapes continuously

Coal tar is used as a (A) Binding material for coal briquettes (B) Fuel in rotary kiln (C) Binder in making carbon electrodes (D) All (A), (B) and (C)

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Last Answer : (D) All (A), (B) and (C)

Refractory bricks having high thermal conductivity is desirable, when it is to be used in the (A) L.D. converter (B) Blast furnace (C) Rotary kiln (D) Recuperator

Description : Refractory bricks having high thermal conductivity is desirable, when it is to be used in the (A) L.D. converter (B) Blast furnace (C) Rotary kiln (D) Recuperator

Last Answer : (D) Recuperator

Explain The Following Terms: Isolated System, Open System And Closed System And Give Example Where Ever Possible.?

Description : Explain The Following Terms: Isolated System, Open System And Closed System And Give Example Where Ever Possible.?

Last Answer : 1. Isolated system: A system that can neither exchange matter nor heat with the surrounding is known as an isolated system. For example: Water placed in a vessel that is closed as well as insulated. ... is said to be a closed system. For example: A reaction taking place in a closed metallic vessel.

What refers to a system in which there is a flow of mass across its boundaries?  a. Open system  b. Closed system  c. Isolated system  d. Non-flow system

Description : What refers to a system in which there is a flow of mass across its boundaries?  a. Open system  b. Closed system  c. Isolated system  d. Non-flow system

Last Answer : Open system

What system in which there is no exchange of matter with the surrounding or mass does not cross its boundaries?  a. Open system  b. Closed system  c. Isolated system  d. Non-flow system

Description : What system in which there is no exchange of matter with the surrounding or mass does not cross its boundaries?  a. Open system  b. Closed system  c. Isolated system  d. Non-flow system

Last Answer : Closed system

When an isolated thermodynamic system executes a process, (A) Work is done (B) Heat transfer takes place (C) Mass flow occurs across the boundary of the system (D) No chemical reaction takes place within the system

Description : When an isolated thermodynamic system executes a process, (A) Work is done (B) Heat transfer takes place (C) Mass flow occurs across the boundary of the system (D) No chemical reaction takes place within the system

Last Answer : D) No chemical reaction takes place within the system

In the manufacture of cement, the dry of wet mixtue of calcareous and argillaceous materials is burnt in a (a) A Rotary kiln (b) A Grinder (c) Country kiln (d) All the above

Description : In the manufacture of cement, the dry of wet mixtue of calcareous and argillaceous materials is burnt in a (a) A Rotary kiln (b) A Grinder (c) Country kiln (d) All the above

Last Answer : (a) A Rotary kiln

The thermodynamic properties that are dependent on the size or extent of the system is called _____.  A. Extensive property  B. Intensive property  C. Open property  D. Closed property

Description : The thermodynamic properties that are dependent on the size or extent of the system is called _____.  A. Extensive property  B. Intensive property  C. Open property  D. Closed property

Last Answer : Extensive property

The thermodynamic properties that are independent on the size of the system is called _____.  A. Extensive property  B. Intensive property  C. Open property  D. Closed property

Description : The thermodynamic properties that are independent on the size of the system is called _____.  A. Extensive property  B. Intensive property  C. Open property  D. Closed property

Last Answer : Intensive property

An isolated system is one in which  (a) mass does not cross boundaries of the system, though energy may do so  (b) neither mass nor energy crosses the boundaries of the system  (c) both energy and mass cross the boundaries of the system  (d) mass crosses the boundary but not the energy  (e) thermodynamic reactions do not occur.

Description : An isolated system is one in which  (a) mass does not cross boundaries of the system, though energy may do so  (b) neither mass nor energy crosses the boundaries of the system  (c) both ... system  (d) mass crosses the boundary but not the energy  (e) thermodynamic reactions do not occur.

Last Answer : Answer : b

Define lime and explain manufacturing of lime by continuous kiln with neat sketch.

Description : Define lime and explain manufacturing of lime by continuous kiln with neat sketch.

Last Answer : Lime: The moisture and carbon dioxide are removed from the limestone by the process of calcination and the product which is remained after removing the moisture and carbon dioxide is termed as lime. The ... with as of fuel. Its thermal efficiency is however higher than of other furnaces.

What system in which neither mass nor energy cross the boundaries and is not influenced by the surroundings?  a. Closed system  b. Open system  c. Isolated system  d. All of these

Description : What system in which neither mass nor energy cross the boundaries and is not influenced by the surroundings?  a. Closed system  b. Open system  c. Isolated system  d. All of these

Last Answer : Isolated system

What do you call a system in which there is a flow of matter through the boundary?  a. Closed system  b. Open system  c. Isolated system  d. All of these

Description : What do you call a system in which there is a flow of matter through the boundary?  a. Closed system  b. Open system  c. Isolated system  d. All of these

Last Answer : Open system

A classification of a system in which mass crosses its boundaries.  a. Closed System  b. Open System  c. Isolated System  d. None of the above

Description : A classification of a system in which mass crosses its boundaries.  a. Closed System  b. Open System  c. Isolated System  d. None of the above

Last Answer : Open System

Types of system except one  a. closed  b. open  c. isolated  d. solid

Description : Types of system except one  a. closed  b. open  c. isolated  d. solid

Last Answer : solid

A system whose boundary does not allow the exchange of either matter or energy with the surrounding  a. open system  b. closed system  c. isolated system  d. none of the above

Description : A system whose boundary does not allow the exchange of either matter or energy with the surrounding  a. open system  b. closed system  c. isolated system  d. none of the above

Last Answer : isolated system

Only energy can cross the boundaries.  a. Closed system  b. Open system  c. Isolated system  d. Isoenergetic system

Description : Only energy can cross the boundaries.  a. Closed system  b. Open system  c. Isolated system  d. Isoenergetic system

Last Answer : Closed system

Open system is also known as _________.  a. isolated system  b. closed container  c. control mass  d. control volume

Description : Open system is also known as _________.  a. isolated system  b. closed container  c. control mass  d. control volume

Last Answer : control volume

A system in which there is a flow of mass is known as _____.  A. Equilibrium system  B. Isolated system  C. Open system  D. Closed system

Description : A system in which there is a flow of mass is known as _____.  A. Equilibrium system  B. Isolated system  C. Open system  D. Closed system

Last Answer : Open system

is a Tillage system in which only isolated bands of soil are tilled? a) Strip Tillage. c) Mulch Tillage b) Rotary Tillage. d) Combined Tillage

Description : is a Tillage system in which only isolated bands of soil are tilled? a) Strip Tillage. c) Mulch Tillage b) Rotary Tillage. d) Combined Tillage

Last Answer : Strip Tillage.

A closed system is one in which  (a) mass does not cross boundaries of the system, though energy may do so  (b) mass crosses the boundary but not the energy (c) neither mass nor energy crosses the boundaries of the system  (d) both energy and mass cross the boundaries of the system  (e) thermodynamic reactions take place.

Description : A closed system is one in which  (a) mass does not cross boundaries of the system, though energy may do so  (b) mass crosses the boundary but not the energy (c) neither mass nor energy ...  (d) both energy and mass cross the boundaries of the system  (e) thermodynamic reactions take place.

Last Answer : Answer : a

Which of the following is not a directly fired furnace? (A) By-product coke oven (B) Calcination kiln (C) Sintering furnace (D) Open hearth furnace

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Last Answer : (A) By-product coke oven

Pick up the correct statement from the following: (A) Lime mortar with cement in the ratio of in 10 is cheaper and better for outside plaster (B) For very cold or very hot climate, a compact and closed plan should be provided (C) On the sea coast, an exposed and open house is generally preferred (D) All the above

Description : Pick up the correct statement from the following: (A) Lime mortar with cement in the ratio of in 10 is cheaper and better for outside plaster (B) For very cold or very hot climate, a compact and closed ... (C) On the sea coast, an exposed and open house is generally preferred (D) All the above

Last Answer : Answer: Option D

Drying of refractory is normally carried out in a __________ dryer. (A) Open pan (B) Tray (C) Rotary vacuum (D) Truck/tunnel

Description : Drying of refractory is normally carried out in a __________ dryer. (A) Open pan (B) Tray (C) Rotary vacuum (D) Truck/tunnel

Last Answer : (D) Truck/tunnel

Bunsen burner is an example of a/an __________ burner. (A) Inside mixing/premix type (B) Outside mixing/diffusion flame/nozzle mix type (C) Rotary cup (D) Submerged combustion

Description : Bunsen burner is an example of a/an __________ burner. (A) Inside mixing/premix type (B) Outside mixing/diffusion flame/nozzle mix type (C) Rotary cup (D) Submerged combustion

Last Answer : (A) Inside mixing/premix type

Dried finished product sampled from various parts of a __________ dryer exhibits non-uniformity in the moisture content. (A) Rotary (B) Tray (C) Freeze (D) None of these

Description : Dried finished product sampled from various parts of a __________ dryer exhibits non-uniformity in the moisture content. (A) Rotary (B) Tray (C) Freeze (D) None of these

Last Answer : (B) Tray

What is referred to by control volume?  a. An isolated system  b. Closed system  c. Fixed region in space  d. Reversible process only

Description : What is referred to by control volume?  a. An isolated system  b. Closed system  c. Fixed region in space  d. Reversible process only

Last Answer : Fixed region in space

A closed system is also known as _________.  a. isolated system  b. closed container  c. control mass  d. control volume

Description : A closed system is also known as _________.  a. isolated system  b. closed container  c. control mass  d. control volume

Last Answer : control mass

A system in which even energy is not allowed to cross the boundary is called ____.  A. Closed system  B. Exclusive system  C. Isolated system  D. Special system

Description : A system in which even energy is not allowed to cross the boundary is called ____.  A. Closed system  B. Exclusive system  C. Isolated system  D. Special system

Last Answer : Isolated system

Extensive properties of a thermodynamic system depend upon the __________ of the system. (A) Specific volume (B) Temperature (C) Mass (D) Pressure

Description : Extensive properties of a thermodynamic system depend upon the __________ of the system. (A) Specific volume (B) Temperature (C) Mass (D) Pressure

Last Answer : (C) Mass

In case of a close thermodynamic system, there is __________ across the boundaries. (A) No heat and mass transfer (B) No mass transfer but heat transfer (C) Mass and energy transfer (D) None of these

Description : In case of a close thermodynamic system, there is __________ across the boundaries. (A) No heat and mass transfer (B) No mass transfer but heat transfer (C) Mass and energy transfer (D) None of these

Last Answer : (B) No mass transfer but heat transfer

An open system is one in which  (a) mass does not cross boundaries of the system, though energy may do so  (b) neither mass nor energy crosses the boundaries of the system  (c) both energy and mass cross the boundaries of the system  (d) mass crosses the boundary but not the energy  (e) thermodynamic reactions do not occur.

Description : An open system is one in which  (a) mass does not cross boundaries of the system, though energy may do so  (b) neither mass nor energy crosses the boundaries of the system  (c) both energy ... system  (d) mass crosses the boundary but not the energy  (e) thermodynamic reactions do not occur.

Last Answer : Answer : c

Non-volatile heavy metals in kiln are fixed into ____ a) Clinker’s crystalline structure b) Fumes c) Solid lump d) Slag

Description : Non-volatile heavy metals in kiln are fixed into ____ a) Clinker’s crystalline structure b) Fumes c) Solid lump d) Slag

Last Answer : Clinker’s crystalline structure

Measurement of thermodynamic property of temperature is facilitated by __________ law of thermodynamics. (A) 1st (B) Zeroth (C) 3rd (D) None of these

Description : Measurement of thermodynamic property of temperature is facilitated by __________ law of thermodynamics. (A) 1st (B) Zeroth (C) 3rd (D) None of these

Last Answer : B) Zeroth

Thermodynamic cycle involved in the working of a thermal power plant is the __________ cycle. (A) Joule (B) Carnot (C) Rankine (D) Brayton

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Last Answer : (C) Rankine

The thermodynamic property of a system is said to be an intensive property whose value for the entire system __________ the sum of their value for the individual parts of the system.  A. is equal to  B. is not equal to

Description : The thermodynamic property of a system is said to be an intensive property whose value for the entire system __________ the sum of their value for the individual parts of the system.  A. is equal to  B. is not equal to

Last Answer : Answer: B

Pick out the correct statement. (A) Higher hold up of the solid in the rotary dryer results in better exposure of the solids to the gas (B) The 'Hatta number' is important in problems involving gas absorption without chemical reaction (C) For a non-reacting binary mixture of ideal gases, the partial pressure distribution of both components is linear in the case of steady state equimolal counter-diffusion (D) Total reflux in case of distillation operation requires infinite number of plates for a binary system separation

Description : Pick out the correct statement. (A) Higher hold up of the solid in the rotary dryer results in better exposure of the solids to the gas (B) The 'Hatta number' is ... reflux in case of distillation operation requires infinite number of plates for a binary system separation

Last Answer : (C) For a non-reacting binary mixture of ideal gases, the partial pressure distribution of both components is linear in the case of steady state equimolal counter-diffusion