Engine oil standards

Engine Oil /Motor Oil/ Engine Lubricant is a substances which is used for the lubrication of Internal Combustion Engines and various mechanical  parts in the industries.

Why is Engine Oil used

Basically Engine Oil Used to lubricate the Engine moving parts. It minimize the wear and tear of engine parts and run the engine smoothly. It also cool the engine by evacuating heat from the engine. 

Engine Oil standards :

There are many standards for Engine oil which are:

API, AECA, JASO, OEM, ILSAC, ASTM

API- American Petroleum Institute used in United States of America,Canada, Central and South America

AECA- Association des Constructerues d’Automobile used for Passenger cars and heavy duty Diesel engine across Europe

JASO- Japan Automobile Standard’s Organization used for Japanese Motorcycles

OEM- Original Equipment Manufacturers

ILSAC- International Lubricating Standards Approval Committee for Japanese and American car manufacturers in America 

ASTM- American Society for Testing and Materials.

BR-GEN Jr. Asstt. Manager (HR & Admin ) and Jr. Asstt. Manager (Audit) Written Result

RPCL Written Exam Question -2019

RPCL Written Exam Question -2019 

Post: Assistant Engineer (Mechanical)
Exam: 05.07.2019
Exam Venue : MIST, Dhaka.

RPCL stands for Rural Power Company Limited is an autonomous Bangladeshi government company which produces power. There are many power plants under RPCl are like Mymensingh power station, Gazipur 52MW duel fuel power plant, Gazipur 102 MW duel fuel power plant and Raozan 25 MW HFO power plant. The basic Salary for Assistant Engineer ( Pay Grade-8) are 52,000 BDT. Qualifications required for this post are Bachelor Degree in Engineering from any reputed institution/university. Age Limit is 30. Some questions of RPCL Assistant Engineer (Mechanical) are collected and compiled. 

Written Questions: 

Some other Questions of RPCL exam are:-

What is Octane Number?

What is Boiler?

What is Cetane Number? 

What is Newtonian and Non-Newtonian fluid? 

Differentiate fire tube and water tube boiler. 

Write down the viscosity in MLT and derive the unit in MKS, CGS, and SI System. 

What is COP and Ton of refrigeration? 

Why Flywheel is an essential part of the engine? 

Write down the four laws of Thermodynamics. 

What is stress and strain? 

Draw the stress-strain curve for Non-Newtonian alloys 

What is volumetric efficiency? 

What’s the Meaning of SOHC, VVTI, VTEC, ABS? 

Differentiate between Closed, Open and Isolated System. 

What is knocking in I.C. Engine? What is the effect of Knocking?  

WZPDCL Assistant Engineer (Electrical) Exam Questions

IELTS road to migration / study

Types of IELTS Test:-

There are two types of IELTS tests, one is Academic test and another is General Training

Academic:

If you want to study an Undergraduate level or post graduate level anywhere in the world you need to appear on academic test.

General Training:

If you want to migrate to an English Speaking country you need to appear in General Training.

Test Dates, Fees and Locations

British Council offers a range of Convenient IETLTS test dates in seven official test centre location across Bangladesh: Dhaka, Chattogram, Shylet, Barishal, Khulna, Kumilla and Rashahi.

IETLS Test fee:

The fee for an IELTS Academic or General training test is BDT 17,000.

Before You Register:

Have a valid ID document (Passport document). This will be the same ID that you need to bring along on your test day.

Receiving your Results:

Your result will be available 13 days after your test.

For IELTS Venue :

https://www.ielts.org/book-a-test/find-a-test-location/location-list/bangladesh/tv