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Bhel Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

3x3x2.5 m room temperature increases by 20 deg cel in 24 hours by a lamp of 100 w. then tell the temperature of the filament

564

what will be the angular speed of a model of turbine whose dia is half of the real one and operating in 1/4 th of the head of the real turbine rotating in Nrpm.

692

find the damper capacity of a system having a damping co efficient of 90% with a vibrating mass of 0.1Kg over a spring having a stiffness of 1KN/m.

650

Why spheroidising is done for ball in the bearings?

2 5628

why alchohol cant be used as a fuel in diesel engne?

7 6455





What is the difference between pipe and tube?

6 4730

difference between 1st angle and 3rd angle projection

727

what is viscosity?

1 1899

what is hammering of fluid?

2 3277

how airconditioner works

8 4289

How would you increase the volume efficiency of centrifugal pump?

632

What are the types of pump can be found in the engine room

532

What is the purpose of turning gear

644

What is pitch

2 3195

What is the cause of motor not to start?

4 3260

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Un-Answered Questions

explain the relevance of closing stock account in trading a/c when preparing the gross profit?

1233


how can i develop forum code? any one pleale help me on this question

769


what is the eligibility criteria of mico bosch

1912


What does GEQO stands for in PostgreSQL?

304


Can I mix wireless equipments from different vendors, elaborate on it? 

467






i am a begnner so am learning Error handling :tried using Recovery manager didnt work i want to be able to handle errors , e.g. if while running the test the folwoing does not show up then how can i use the If then else and goto next step in the test, as in many scenarios it does not show up Browser("The Shopping Channel -").Page("The Shopping Channel -_8").Image("easy pay").Click

605


what is the need of stress in organisations to the employees???

741


What is chart of accounts

959


Which forms in use in service Tax, Excise duty and Vat for the return.

767


what is the setting of locked rotor in HT motor ? (answer expecting in percentage)

923


Table1: Col1 col2 1 2 10 3 4 89 5 6 Table:2 Col1 col2 3 2 9 5 4 7 6 87 With the help of table1 and table2 write a query to simulate the fallowing results. Output1: Col1 col2 1 2 2 3 3 4 4 5 5 6 Output2: Col1 col2 2 3 10 4 5 89 6 7 1.Write query for single row to multiple row using sql statements. Eg:a,b,c,d,e,f Change to A B C D E F 2. Write query for multiple row to single row using sql statements. Eg2 A B C D E F Change to Eg:a,b,c,d,e,f Table1: Col1 col2 8 5 2 9 4 2 5 1.Write a query to select all the rows from a table1,if the value of A is null then corresponding B’s value should be printed in A’s value.if the value of A is null in that table then corresponding B’s value should be printed as 30. 2. write a query to find the sum of A and B .display the max among both. 3.write a query to find total number of rows from table 1. Note: if any column value is null in a row then that row should be considered as 2 rows. 4.write a query to display all the records of table1 except A containg 2 as well B containg 5. 5.rewrite the fallowing without using join and group by. Select b.title,max(bc.returneddate –bc.checkoutdate)” mostdaysout” From bookshelf_checkout bc, Book shelf B Where bc.title(+)=b.title Group by b.title. 6.rewrite fallowing query Select id_category from category_master X where exists (select 1 from sub_category Y where X.id_category=Y.id_category) Customer: Name phone1 phone2 phone3 bitwise A 23456 67890 12345 --- B 67459 89760 37689 --- Don’t_call Col1 67890 37689 1.q) update the customer table of bitwise with 1 or 0. Exists in don’t_call table menas show -1 Other wise -0. Output. Name bitwise A 010 B 010

996


difference between power surge and switching transient

633


what is the major difference between LIBBP & HIBBP.. which one is most preferable..

941


in science exhibition how lamp can blink when you clap near the lamp ? thank you

595


what is the role in sdlc to approve the analyzed risk

1208






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