Explain the following terms of centrifugal governor with neat sketch: (i) Height of Governor (ii) Equilibrium Speed (iii) Sleeve Lift

1 Answer

Answer :

Terms related with Governor:

image

(i) Height of Governor: It is the vertical distance from the centre of the ball to a point where the axes of the arms (or arms produced) intersect on the spindle axis. It is usually denoted by h as shown in figure. 

(ii) Equilibrium Speed: It is the speed at which the governor balls, arms etc. are in complete equilibrium & the sleeve does not tend to move upwards or downwards. 

(iii) Sleeve Lift: It is the vertical distance which the sleeve travels due to change in equilibrium speed.

Related questions

Description : Explain with neat sketch working of centrifugal pump.

Last Answer : Working of centrifugal pump is in three stages i. Priming ii. Starting iii stoping i. Priming- The operation of filling the casing, impeller and suction pipe upto delivery valve ... pump, delivery valve should be closed partly. Motor is switched off and then value is closed fully. 

Description : Describe working of centrifugal clutch with neat sketch.

Last Answer : Centrifugal clutch-  Working of Centrifugal Clutch: Centrifugal clutch works on the principle of centrifugal force. When the engine is started, the speed of the driving shaft is less, so the centrifugal force ... disengaged at low speed. The stop H limits the amount of centrifugal force.

Description : Draw neat sketch of contour for the following i)Hill ii) Valley iii)Gentle Slope iv) Ridge Line 

Last Answer : i)Hill ii) Valley iii)Gentle Slope iv) Ridge Line 

Description : Draw a neat labeled sketch of the following: i) Aqueduct ii) Super passage iii)Level crossing

Last Answer : i) Aqueduct  ii) Super passage Iii ) Level Crossing

Description : Explain virtual height with respect to wave propagation with neat sketch.

Last Answer : In ionization layer the incident wave refracts and bends down gradually than sharply.   The incident and refracted rays follow paths that are exactly the same as they would have been if reflection had taken place from a surface located at a greater height called virtual height of this layer. 

Description : (i) Compare Open Die Forging and Close Die Forging. (ii) Explain with neat sketch process of Drop Forging.

Last Answer : (i) Difference between Open Die and Close Die Forging: (ii)Drop Forging  Drop forging is carried out by using drop hammers. They are board or gravity hammer, air lift hammer and power drop ... of upper and lower dies. The ram is fastened to the lower end of vertical hard wood board.

Description : (i) Explain zeroth law of thermodynamic with neat sketch. (ii) Write the procedure for Energy saving in household appliances. 

Last Answer : i) Zeroth law of thermodynamics - If two thermodynamic systems are each in thermal equilibrium with a third, then they are in thermal equilibrium with each other ii) Procedure for Energy ... Install energy efficient open glass windows to use sun light. Upgrade your HVAC system.

Description : Describe the idle speed control function of an electronic control module with neat sketch.

Last Answer : Idle Speed Control System as Output Function of ECM: While the engine is being started, or operated, the logic module of Electronic Control Module (ECM) will signal the Stepper motor of Idle Speed ... speed control valve stepper motor allows 125 possible valve opening positions. OR

Description : A centrifugal pump loses prime after starting. The reason of this trouble may be (A) Incomplete priming (B) Too high a suction lift (C) Low available NPSH and air leaks in the suction pipe (D) All (A), (B), and (C)

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

Description : Maximum theoretical suction lift for water at 15°C by a centrifugal pump is 34 ft. The same for water at 90°C will be __________ ft. (A) 40 (B) 34 (C) 8 (D) 37

Last Answer : (C) 8

Description : If the discharge of a centrifugal pump is throttled, then its suction lift (A) Increases (B) Decreases (C) Remains unchanged (D) Data insufficient to predict

Last Answer : (A) Increases

Description : The depth of the water table at a place is 45 m below the general ground level. To lift water from a  deep tube well in such a locality, the type of pump to be installed is  (A) Centrifugal pump  (B) Reciprocating pump  (C) Deep well turbine pump  (D) None of these 

Last Answer : (C) Deep well turbine pump

Description : The main drawback of centrifugal pump is a)necessity of priming b) discharge from pump varies with the load of water c) For high heads efficiency is low up to 50% d) the suction lift is limited to 6 metre e) all of the above*

Last Answer : e) all of the above*

Description : Describe in brief with neat sketch: i) English bond ii) Flemish bond

Last Answer : English bond : The Bond with alternate courses of headers and stretchers with a closer placed next to quoin header is called as the English Bond. Points Should be Remembered for English bond: 1. A ... . 4. Flemish Bond is slightly economical as a number of brick bats can be used.

Description : (i) Illustrate with neat sketch the working of absorber type of muffler (ii) sketch bellow type of thermostat

Last Answer : (i) Working of absorber type of muffler: It consists of a perforated tube, around which a sound absorbing material, like fiber glass or steel wool is placed. The exhaust gases pass through the perforated tube. ... thus reducing the noise intensity.  (ii) Bellow type of thermostat:

Description : (i) state any two applications of I. C. Engine (ii) Draw a neat sketch of Two stroke petrol engine.

Last Answer : Applications of I.C engine 1) In Automotive - i) Two stroke engine - Mopeds, Scooters. ii) Four stroke engine - Light vehicles, Heavy vehicles. 2) Marine Application - Ships, Boat 3) Locomotive s - ... handling system  (ii) Draw a neat sketch of Two stroke petrol engine. OR

Description : Describe in brief with neat sketch: i) Base line ii) Check line

Last Answer : i) Base line:  Base line is generally the longest line running roughly through the middle of the area. It is laid on a level ground as far as possible. The whole frame work is built upon this line. ... on the opposite side or a line joining some fixed point on any two sides of the triangle. 

Description : Describe with neat sketch: (i) Spot Welding (ii)Seam Welding

Last Answer : (i) Spot Welding: Spot welding is employed to join overlapping strips, sheets or plates of metal at small areas .The pieces are assembled between two electrodes, which must possess high electrical & ... used to conserve the electrodes and cool the work rapidly to speed up the operation.   

Description : (i) Draw the neat sketch of bomb calorimeter. (ii) Write any three sources of air leakage in steam condenser.

Last Answer : (i)   (ii) Sources of air leakage in condenser: i) Air leak through joints and packing. ii) Air also comes in condenser with the steam. iii) In jet condensers dissolved air in the cooling water enters the condenser. 

Description : Explain the terms: i. Average velocity  ii. Instantaneous velocity  iii. Average speed  iv. Instantaneous speed

Last Answer : Explain the terms: i. Average velocity ii. Instantaneous velocity iii. Average speed iv. Instantaneous speed

Description : Explain the following terms with sketch and suitable range: (i) King pin inclination (ii) Camber 

Last Answer : (i) King pin inclination It is the angle between vertical line and centre line of king pin or steering axis when viewed from the front of the vehicle. King pin inclination helps the straight ahead ... positive if the tilt is outward at the top. Camber should not generally exceed 2°. 

Description : With neat diagram explain the following terms: (i) Steam turbine co-generation system (ii) Gas turbine co-generation system

Last Answer : (i) Steam turbine co-generation system: The two types of steam turbines most widely used are the backpressure and the extraction. Another variation of the steam turbine topping ... power. The exhaust or the extracted steam from the steam turbine provides the required thermal energy.

Description : Write any one application for each of following material handling equipments: (i) Bucket Conveyors (ii) Fork Lift Trucks (iii) Jib Crane (iv) Gravity Chutes

Last Answer : Applications of MH Equipments:

Description : Draw a neat sketch and explain the use of CT and PT for measurement of power in a single-phase circuit?

Last Answer : If wattmeter of proper range is not available or if voltage and current ranges are high we can usr CT and PT of suitable ratio. Connect the CT and PT as shown in figure. The reading of wattmeter can be multiplied by the ratio to get the actual power.   

Description : Explain electrostatic separation with a neat sketch. 

Last Answer : Electrostatic Separator Principle: If one or more of the materials of a granular mixture can acquire a  surface charge on or just before entering an electrostatic field, the particles of that ... repelled by electrode ,attracted by drum, falls straight in collecting bin due to gravity. 

Description : Explain with a neat sketch the working of the apparatus used for distillation on laboratory scale. 

Last Answer : There are two apparatus used for distillation on laboratory scale. 1. Simple apparatus. 2. Still apparatus. Simple apparatus: Working: 1. Water is filled in the round bottom flask. ... level device is fitted in such a way that only heated water free from gases enters the boiler. 

Description : Explain with the help of a neat sketch one of the evaporators covered under the group of natural circulation evaporators.

Last Answer : Natural circulation evaporators: The movement of liquid takes place as a result of convection current set up by heating process. Ex. evaporating pan, evaporating still, and short tube evaporator.  1. Evaporating ... area for evaporation. It consist of product outlet at bottom. Diagram:

Description : Explain working of Gobar Gas plant with a neat sketch.

Last Answer : It is a type of composting plant. In this plant gobar gas is produced from solid waste which is biodegradable in nature. A mixture of gases is produced by breakdown of organic matter in the absence of ... Dioxide. It is used as a fuel and the digested sludge is used as fertilizer for crops

Description : Explain the requirements of good formwork with names and materials proposed for beam of size 300 X 450 mm with neat labeled sketch.  

Last Answer : Requirements of good formwork:- 1. It should be adequately strong to withstand an extensive variety of dead and live loads. For instance, self-weight, weight of reinforcement, weight of wet concrete, loads of ... of concreting. 8. It should be lightweight. 9. It should be easy to remove.

Description : Explain raft foundation with neat sketch and explain its suitability. 

Last Answer : Raft Footing: It is suitable where ground is soft. Clayey or marshy having low bearing capacity, and where sub soil water conditions are uncertain. The raft foundation is also used to reduce settlement below highly compressible soils

Description : Define shoring. Enlist types of shoring. Explain any one type with neat sketch.

Last Answer : Shoring:- Shoring is the construction of a temporary structure to support temporarily an unsafe structure. These support walls laterally. Shoring can be used when walls bulge out, when walls crack due to ... of the structure above and transfer same to the ground on firm foundation below. 

Description : Explain four defects in plastering with neat sketch.

Last Answer : Following are the defects in plastering: 1) Blistering of plastered surface: it is the defect in which small patches of plaster are swelled out from the plastered surface. 2 ... defect in which there is complete dislocation of some portion of plastered surface which forms the patches. 

Description : Explain timbering and strutting with a neat sketch.

Last Answer : A method of giving the temporary support to the side of deep trench or when subsoil is loose or very soft is known as timbering (i.e. shoring) and strutting. It consists of timber planks and strut to give ... . 2. Box sheeting 3. Vertical sheeting 4. Runner system 5. Sheet piling  

Description : Enlist different types of staircase. Explain any one type with a neat sketch.

Last Answer : Types of Staircase: 1. Straight Stair 2. Dog legged Stair 3. Quarter turn Stair 4. Open well Stair 5. Three quarter turn Stair 6. Bifurcated Stair 7. Geometrical Stair 8. Circular ... . This well may be rectangular or of any geometrical shape and it can be used for fixing lift.

Description : Explain timbering and strutting in excavation with neat sketch.

Last Answer : A method of giving the temporary support to the side of deep trench or when subsoil is loose or very soft is known as timbering (i.e. shoring) and strutting. It consists of timber planks and strut to give ... sheeting 3. Vertical sheeting 4. Runner system  5. Sheet Piling 

Description : Enlist different types of traffic island and explain any one in brief with neat sketch.

Last Answer : The different types of traffic island are as follow: (1) Rotary or central islands. (2) Channelising or refuse islands. (1) Rotary or central islands: A traffic island constructed in ... each site of road intersection. A few typical designs of Channelising islands are illustrated below:

Description : Explain the types of hill road curve with neat sketch.

Last Answer : Types of curves provided on hill road are as follow:  (1) Hair pin bend curve: The curve in a hill road which changes its direction through an angle of 180o or so, down the hill on the ... moving traffic. At such curves, the parapet wall is provided only for safety of fast moving traffic.

Description : Explain the Divisional Island with neat sketch 

Last Answer : These types of Island are constructed to separate the traffic from opposite directions in a highway having four or more lanes. Thus, by providing such type of island the highway is divided into two ... driving. The kerb should be high enough to prevent vehicles from entering into the islands 

Description : Explain Rotary Island (Traffic Island) with a neat sketch.

Last Answer : Rotary Island or Traffic Island: The raised platforms of suitable shapes built on the road intersections are called traffic islands or rotary island. A rotary intersection or traffic rotary is an enlarged ... streams around the rotary and then to diverge out to the desired radiating road.

Description : Explain Softening Point Test on Bitumen with neat sketch.

Last Answer : Softening Point Test: The softening point test is conducted by Ring and Ball method in the laboratory as described below: The test sample of the given bituminous material is put ... values and thus the suitability of the bitumen under test is decided for bituminous pavement construction. 

Description : Explain the principle of techeometry with the help of a neat sketch.

Last Answer : Principle of tacheometry is based on principle of similar triangle in which corresponding sides & altitudes are proportional The ratio of distance of base from apex and length of base is always constant. ... S3=f/i=Constant Where f=focal length of objective and i =stadia intercept  

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.

Description : Explain with neat sketch patterns provided in the dressing of trap stone.

Last Answer : Following Patterns are provided in the dressing of stones 1. Hammer Dressing: In this case, stone blocks are roughly made rectangular by means of wallers hammer. The exposed face is roughly shaped by a ... , most of the projections are removed and it gives fine surface to the stone face.   

Description : Explain defects in timber with neat sketch.

Last Answer : Types of Defects in timber are grouped into the following divisions. The main natural forces responsible for causing defects in timber are abnormal growth and rapture of tissues. 1. Knots: Bases of ... gall indicates abnormal growth and peculiar curved swellings found on the body of a tree.  

Description : State and explain the working principle of hydrodynamic spring with neat sketch.

Last Answer : Working principle: Hydrodynamic springs are comparatively small, thick walled cylinder in which the spring effect is produced by applying load to the fluid in the cylinder through a small ... These springs are particularly useful in applications requiring high load capacities and stiffness.  

Description : Explain the working of Ackerman steering gear mechanism with neat sketch.

Last Answer : Working: The whole mechanism of Ackerman Steering gear is on the back of the front wheels. The Ackerman steering gear consists of turning pairs The slotted links AM and BH are attached ... each end. The steering is affected by moving CD to the right or left of its nominal position. 

Description : Explain the shielded metal arc welding (SMAW) processes with neat sketch. State its two advantages and disadvantages.

Last Answer : Working  : Shielded metal arc welding uses a metallic consumable electrode of a proper composition for generating arc between itself and the parent work piece. The molten electrode metal fills the weld ... . 2. Weld may contain slag inclusions 3. Fumes make difficult the process control.

Description : Explain the resistance spot welding process with neat sketch. State its two advantage and disadvantage. 

Last Answer : Resistance Spot welding: Spot welding is employed to join overlapping strips, sheets or plates of metal at small areas .The pieces are assembled between two electrodes, which must possess high electrical & thermal ... for making the RSW a success. 4. The thick jobs are not easy to weld. 

Description : Explain any one type of Frame section with neat sketch

Last Answer : four section of chassis frame with their merits Channel Section: The channel section is used for making the long members of the frame. It provides a good resistance to bending. It is poor ... to torsional loading (twisting) and they shall not use in the cases where torsion is dominant. 

Description : Draw the neat sketch of overhead valve operating mechanism and explain its working.

Last Answer : Overhead valve mechanism: Figure shows the valve mechanism to operate the valve when it is in the cylinder head (in I and F head design). This type of mechanism requires two additional moving parts the push ... close. A spring (attached to the valve) returns the valve to its seated position.