Why motoring should be prevented in TG and DG?

Why motoring should be prevented in TG and DG? 
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1 Answer

Answer :

In TG motoring prevented due to the turbine limitation otherwise last stage blade will fails.

In DG motoring prevented, because of unburned fuel catches fire in DG. 
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Related questions

What is the % overload allowed for TG and DG?

Description : What is the % overload allowed for TG and DG?

Last Answer : For TG nil For DG 110% for 2 hours. 

When TG works as induction generator?

Description : When TG works as induction generator?

Last Answer : When excitation alone lost.  

What are the materials used for TG rotor and blades?

Description : What are the materials used for TG rotor and blades?

Last Answer : TG rotor is made up of alloy steel and blades are made up of stainless steel.  

Top Gear is almost certainly the BBC's most successful export, why do you think it is so much more popular than other motoring shows, what makes it stand out from the crowd?

Description : Top Gear is almost certainly the BBC's most successful export, why do you think it is so much more popular than other motoring shows, what makes it stand out from the crowd?

Last Answer : It's become more of an entertainment show now, rather than a motoring one. Crazy stunts, journeys,tasks and record attempts or whatever, those are the things that make it successful. On saying that ... that are only affordable to the multi-millionares. I still love it Top Gear is great great fun.

Motoring test is conducted on IC engines to determine A. brake power B. indicated power C. friction power D. fuel consumption at full load

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Last Answer : ANSWER : C

The method of determination of indicated power of multi cylinder SI engine is by use of (a) Morse test (b) Prony brake test (c) Motoring test (d) Heat balance test

Description : The method of determination of indicated power of multi cylinder SI engine is by use of (a) Morse test (b) Prony brake test (c) Motoring test (d) Heat balance test

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Why we do 2 types of earthing on transformer i.e.: body earthing & neutral earthing, what is function. I am going to install a 5oo kva transformer & 380 kva DG set what should the earthing value?

Description : Why we do 2 types of earthing on transformer i.e.: body earthing & neutral earthing, what is function. I am going to install a 5oo kva transformer & 380 kva DG set what should the earthing value?

Last Answer : The two types of earthing are Familiar as Equipment earthing and system earthing. In Equipment earthing: body (non conducting part) of the equipment should be earthed to safeguard the human ... earthing will be further classified into directly earthed, Impedance earthing, resistive (NGRs) earthing.

What are the protections provided for DG?

Description : What are the protections provided for DG?

Last Answer : 1. Differential protection (87). 2. Over speed of engine. 3. Reverse power protection (in LOCA condition time delay). 4. Low lubricating oil pressure. 5. Cooling water temperature high. 6. 6 ... 8. Emergency stops push button. In LOCA condition 4 - 8 protections are not permitted to operate. 

What are stages of DG starting?

Description : What are stages of DG starting? 

Last Answer : 1. At start signal compressed air through solenoid valve passes over piston and rotates the shaft. 2. At speed >60-rpm ignition starts. 3. Closing of excitation starts at >800-rpm. 4. At speed of > 900-rpm rated speed and rated voltage signal starts. 5. Closing of over speed is at >1150-rpm. 

What are the auxiliaries required for DG?

Description : What are the auxiliaries required for DG? 

Last Answer : 1. Starting air system. Components are compressor, air dryer, air receiver, solenoid valve for start control, pneumatic starting air valve, air distributor and injection valve at each cylinder. This system operates at ... one RTD each. 10. LCP is provided one each for each DG. 

Why neutral breaker used in DG neutral grounding?

Description : Why neutral breaker used in DG neutral grounding?

Last Answer : In case of high earth fault currents it is therefore normal practice to install a circuit breaker in the neutral of the generator in order to reduce the total fault clearance time. 

Why in DG E/F protection, we do not open class IV CB’s or supply CB’s?

Description : Why in DG E/F protection, we do not open class IV CB’s or supply CB’s?

Last Answer : Delta of aux. Transformer prevents E/F currents from grid into DG neutral.  

The lipoprotein with the fastest electrophoretic mobility and lowest TG content are (A) VLDL (B) LDL (C) HDL (D) Chylomicrones

Description : The lipoprotein with the fastest electrophoretic mobility and lowest TG content are (A) VLDL (B) LDL (C) HDL (D) Chylomicrones

Last Answer : Answer : C

.If the DNA codons are ATG ATG ATG and a cytosine base is inserted at the beginning, then which of the following will result? (a) CAT GAT GAT G (b) A non-sense mutation (c) C ATG ATG ATG (d) CA TGA TGA TG

Description : .If the DNA codons are ATG ATG ATG and a cytosine base is inserted at the beginning, then which of the following will result? (a) CAT GAT GAT G (b) A non-sense mutation (c) C ATG ATG ATG (d) CA TGA TGA TG

Last Answer : (a) CAT GAT GAT G

.If the DNA codons are ATG ATG ATG and a cytosine base is inserted at the beginning, then which of the following will result? (a) CAT GAT GAT G (b) A non-sense mutation (c) C ATG ATG ATG (d) CA TGA TGA TG

Description : .If the DNA codons are ATG ATG ATG and a cytosine base is inserted at the beginning, then which of the following will result? (a) CAT GAT GAT G (b) A non-sense mutation (c) C ATG ATG ATG (d) CA TGA TGA TG

Last Answer : (a) CAT GAT GAT G

Shear modulus G is given by (a) G = t/g (b) G = g/t (c) G = Tg/t (d) G = T/g

Description : Shear modulus G is given by (a) G = t/g (b) G = g/t (c) G = Tg/t (d) G = T/g

Last Answer : (a) G = t/g

Angle of twist of a circular shaft is given by a. GJ/Tl b. Tl/GJ. c. TJ/Gl. d.TG/Jl.

Description : Angle of twist of a circular shaft is given by a. GJ/Tl b. Tl/GJ. c. TJ/Gl. d.TG/Jl.

Last Answer : b. Tl/GJ.

Specific drug therapy to lower serum triglycerides (TG) in a subject with normal LDL-cholesterol level is indicated: A. In all subjects with serum TG> 150 mg/dl B. In subjects with existing coronary artery disease and serum TG > 150 mg/dl C. In subjects with HDL-cholesterol < 40 mg/dl and serum TG > 150 mg/dl D. Both 'B' and 'C' are correct

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Last Answer : D. Both 'B' and 'C' are correct

A diesel driven emergency generator is prevented from being paralleled with the ship's service generators by __________. A. an electrical interlock system B. an automatic paralleling trip switch C. the synchronizing oscilloscope D. the reverse current relay

Description : A diesel driven emergency generator is prevented from being paralleled with the ship's service generators by __________. A. an electrical interlock system B. an automatic paralleling trip switch C. the synchronizing oscilloscope D. the reverse current relay

Last Answer : Answer: A

Why is it a good practice to have the frequency of the incoming alternator adjusted slightly higher than that of the loaded alternator when paralleling two alternators? A. This allows the oncoming machine to accept load immediately. B. This prevents the machine from floating on the line. C. The reverse power relay is prevented from activating. D. All of the above.

Description : Why is it a good practice to have the frequency of the incoming alternator adjusted slightly higher than that of the loaded alternator when paralleling two alternators? A. This allows the oncoming machine to ... line. C. The reverse power relay is prevented from activating. D. All of the above.

Last Answer : Answer: D

The arc resulting from the tripping of a circuit breaker is prevented from damaging the contacts by _____________. A. designing the contacts to open slowly B. directing the arc into an arc chute C. an inverse timed thermal trip for short circuit currents D. instantaneous magnetic trip for overload currents

Description : The arc resulting from the tripping of a circuit breaker is prevented from damaging the contacts by _____________. A. designing the contacts to open slowly B. directing the arc into an ... an inverse timed thermal trip for short circuit currents D. instantaneous magnetic trip for overload currents

Last Answer : Answer: B

A generator is prevented from becoming motorized by the use of a/an _____________. A. overspeed trip B. reverse power relay C. back pressure trip D. governor controls

Description : A generator is prevented from becoming motorized by the use of a/an _____________. A. overspeed trip B. reverse power relay C. back pressure trip D. governor controls

Last Answer : Answer: B

Burning of controller contacts, when opening, is prevented by _____________. A. coating the contact surfaces lightly with petroleum jelly B. magnetic blowout coils C. an overvoltage release D. an overcurrent release

Description : Burning of controller contacts, when opening, is prevented by _____________. A. coating the contact surfaces lightly with petroleum jelly B. magnetic blowout coils C. an overvoltage release D. an overcurrent release

Last Answer : Answer: B

Why auto transfer is prevented if the backup protection is operated?

Description : Why auto transfer is prevented if the backup protection is operated?  

Last Answer : The back up protection is supposed to operate in case of a bus fault. Hence the auto transfer is prevented. 

How carona discharge is prevented in generator insulation?

Description : How carona discharge is prevented in generator insulation?

Last Answer : To prevent carona discharges between insulation and the wall of the slot, the insulation in slot portion is coated with semi conducting varnish. This eliminates the formation of creepage sparks during operation and during HV test. 

How moisture entry is prevented into bus duct?

Description : How moisture entry is prevented into bus duct?  

Last Answer : Silicagel breathers at either end. 

What is the full form of DG ?

Description : What is the full form of DG ?

Last Answer : DG 's full form Director General.

What is the full form of DG ?

Last Answer : Director General.

The fortnightly consolidated list of certificates issued to POs should, be sent by _____to the ____ a) Circle Stamp Depots, Circle postal accounts office b) Head offices , Postal account office c) Circle office , DG Post d) Circle office, Circle account office

Description : The fortnightly consolidated list of certificates issued to POs should, be sent by _____to the ____ a) Circle Stamp Depots, Circle postal accounts office b) Head offices , Postal account office c) Circle office , DG Post d) Circle office, Circle account office

Last Answer : a) Circle Stamp Depots, Circle postal accounts office

_________ is authorized to transfer a branch office from one account office to another account office under the same HO a) Head of the Circle b) DG Post c) Postmaster General d) Superintendent

Description : _________ is authorized to transfer a branch office from one account office to another account office under the same HO a) Head of the Circle b) DG Post c) Postmaster General d) Superintendent

Last Answer : d) Superintendent

Mark the correct option a) Preservation period of DG order is three years after the close of the year in which they were issued b) Preservation period of fortnightly reports of superintendent one year after the month to which there relate c) Both the A & B d) None of these

Description : Mark the correct option a) Preservation period of DG order is three years after the close of the year in which they were issued b) Preservation period of fortnightly reports of superintendent one year after the month to which there relate c) Both the A & B d) None of these

Last Answer : c) Both the A & B

The misconnection between air services should invariably be reported by Record Officer to a) DG of Posts b) The head of the division c) The Head of the circle by first post d) None of these

Description : The misconnection between air services should invariably be reported by Record Officer to a) DG of Posts b) The head of the division c) The Head of the circle by first post d) None of these

Last Answer : c) With the specific orders of the Head of the cirlcle

A mail office may redirect any article or intercept or deliver any article to the addressee a) With permission of the Divisional Head b) With the permission of the incharge c) On the authority of the DG or Head of the Circle d) None of these

Description : A mail office may redirect any article or intercept or deliver any article to the addressee a) With permission of the Divisional Head b) With the permission of the incharge c) On the authority of the DG or Head of the Circle d) None of these

Last Answer : c) With the specific orders of the Head of the cirlcle

The value return in form Est 6(a) is prepared by ________ and submitted to____ a) Experimental post office, Account office b) Account office , Head of the circle c) Head of the circle to DG Post d) The Supd. Post office to Head of the circle/Regional PMG

Description : The value return in form Est 6(a) is prepared by ________ and submitted to____ a) Experimental post office, Account office b) Account office , Head of the circle c) Head of the circle to DG Post d) The Supd. Post office to Head of the circle/Regional PMG

Last Answer : d) The Supd. Post office to Head of the circle/Regional PMG

Every proposal of new establishment made by a_____ must be submitted to______ through___________ concerned, at least _______ in advance of the date form which sanction is desired and where necessary. a) Head of the circle, DG post, circle account office, 2 month b) DG Post, Cent Govt, Min of IT, 1 year c) Supdt Of PO, Head of the Circle/ Regional PMG, Account officer, 2 month d) None of these

Description : Every proposal of new establishment made by a_____ must be submitted to______ through___________ concerned, at least _______ in advance of the date form which sanction is desired and where necessary. a) Head of ... Of PO, Head of the Circle/ Regional PMG, Account officer, 2 month d) None of these

Last Answer : c) Supdt Of PO, Head of the Circle/ Regional PMG, Account officer, 2 month

Mark the incorrect option a) The police officer who is not a pensioner may not be employed as an ED agent without the previous sanction of the DG b) Disabled ex-servicemen who are in receipt of disability pension and are not disqualified for further service in civil dept may also be considered as ED sub or branch postmaster c) No person holding an elective office shall be considered for the post of an ED agent. d) None of these

Description : Mark the incorrect option a) The police officer who is not a pensioner may not be employed as an ED agent without the previous sanction of the DG b) Disabled ex-servicemen who are in receipt of ... holding an elective office shall be considered for the post of an ED agent. d) None of these

Last Answer : d) None of these

Who will prepare the register of sanctioned establishment a distribution list in form Est-43 in RMS a) Supdt. of Post office b) Head of the Circle c) Supdt of RMS d) DG Post

Description : Who will prepare the register of sanctioned establishment a distribution list in form Est-43 in RMS a) Supdt. of Post office b) Head of the Circle c) Supdt of RMS d) DG Post

Last Answer : c) Supdt of RMS

_____ will submit the application of cases arising from railway accidents accompanied by the documents mentioned above, for the order of _____through ____ a) The Head of the office, Head of the circle, PMG b) The Supdt of PO, PMG, Account office c) The Head of the circle, DG, Audit office d) None of these

Description : _____ will submit the application of cases arising from railway accidents accompanied by the documents mentioned above, for the order of _____through ____ a) The Head of the office, Head of the circle, PMG b) The ... , PMG, Account office c) The Head of the circle, DG, Audit office d) None of these

Last Answer : c) The Head of the circle, DG, Audit office

Transfer to sorters holing selection grade appointment will be reported to a) SSP/SP b) PMG c) Head of the Circle d) DG Post

Description : Transfer to sorters holing selection grade appointment will be reported to a) SSP/SP b) PMG c) Head of the Circle d) DG Post

Last Answer : c) Head of the Circle

Reports of transfer of charge of gezetted officer including Head of the circle and P&T Accountant should be sent by post (not telegraph) to the a) Next higher authority b) Audit officer concerned c) DG Post d) All the above

Description : Reports of transfer of charge of gezetted officer including Head of the circle and P&T Accountant should be sent by post (not telegraph) to the a) Next higher authority b) Audit officer concerned c) DG Post d) All the above

Last Answer : d) All the above

In the event of any disagreement between the relieved and the relieving officers, a reference should be made to the a) SSP/SP b) PMG c) Head of the Circle d) DG Post

Description : In the event of any disagreement between the relieved and the relieving officers, a reference should be made to the a) SSP/SP b) PMG c) Head of the Circle d) DG Post

Last Answer : c) Head of the Circle

Transfer of officials, who are not permanent in grade, may in deserving cases, be permitted with the personal approval of the a) Head of the circle b) DG Post c) Min of IT d) None of these

Description : Transfer of officials, who are not permanent in grade, may in deserving cases, be permitted with the personal approval of the a) Head of the circle b) DG Post c) Min of IT d) None of these

Last Answer : a) Head of the circle

The gradation list prepared in once in a _______ year on _________ by ______ in the form______________ a) Two, 1st Jan, DG Post, APP 43 b) Three, 1st Jul, HOC, APP 43 c) Five, 1st Jul , HOC, APP 44 d) None of these

Description : The gradation list prepared in once in a _______ year on _________ by ______ in the form______________ a) Two, 1st Jan, DG Post, APP 43 b) Three, 1st Jul, HOC, APP 43 c) Five, 1st Jul , HOC, APP 44 d) None of these

Last Answer : c) Five, 1st Jul , HOC, APP 44

Notification made by the government of India are published in _____ and those by the _________ and _______and administrative offices in _________ of Gazette India a) Part I section 2, DG, Head of the circle, Part III section I b) DG order, Head of the circle, DG, Part II c) Notification, DG, Head of the circle, Part II, d) None of these

Description : Notification made by the government of India are published in _____ and those by the _________ and _______and administrative offices in _________ of Gazette India a) Part I section 2, DG, Head of the circle, Part ... DG, Part II c) Notification, DG, Head of the circle, Part II, d) None of these

Last Answer : a) Part I section 2, DG, Head of the circle, Part III section I

Every important event in the official career of a gezetted Govt servant affecting his pay and other conditions of service e.g appointment, promotion, leave, retirement, removal, dismissal etc. should be notified in the a) Memorandum b) DG Order c) Gezette of India d) None of these

Description : Every important event in the official career of a gezetted Govt servant affecting his pay and other conditions of service e.g appointment, promotion, leave, retirement, removal, dismissal etc. should be notified in the a) Memorandum b) DG Order c) Gezette of India d) None of these

Last Answer : c) Gezette of India

Re-employment of persons who resigned, absconded or were dismissed should be made on special ground previous approval of the a) Head of the circle b) Min of IT c) DG Post d) PMG

Description : Re-employment of persons who resigned, absconded or were dismissed should be made on special ground previous approval of the a) Head of the circle b) Min of IT c) DG Post d) PMG

Last Answer : c) DG Post

The equipment of stationery for all office must be sanctioned by ______ a) DG Post b) Head of the circle c) Head of the division d) None of these

Description : The equipment of stationery for all office must be sanctioned by ______ a) DG Post b) Head of the circle c) Head of the division d) None of these

Last Answer : b) Head of the circle

A detailed record of all losses of stock and stores should be maintained and an annual statement submitted to the a) DG Post b) Head of the circle c) Divisional office d) Audit office

Description : A detailed record of all losses of stock and stores should be maintained and an annual statement submitted to the a) DG Post b) Head of the circle c) Divisional office d) Audit office

Last Answer : d) Audit office

The security furnished by an official will be liable to forfeiture by a) Director General b) Head of the circle c) Any officer authorized by DG Post d) Both the A & C

Description : The security furnished by an official will be liable to forfeiture by a) Director General b) Head of the circle c) Any officer authorized by DG Post d) Both the A & C

Last Answer : d) Both the A & C

Working of night post office generally fixed by a) Head of the circle b) DG Post c) PMG d) SP/SSP

Description : Working of night post office generally fixed by a) Head of the circle b) DG Post c) PMG d) SP/SSP

Last Answer : a) Head of the circle