Mathematical Solutions (ME)

Mechanical Engineering Mathematical Solutions 

 

BUET VC passes away

Professor Dr. Khaleda Ekram, The first female vice chancellor of Bangladesh University of Engineering & Technology (BUET) passes away on last night approximately at 3.00 AM. ( Inna lillahi wainna ilahi rajiown). She breathed her last at a hospital in Bankok, capital of Thailand. Professor Ekram was appointed as the vice Chancellor of BUET on September 2014. May Allah keep her soul in peace.

Khaleda Ekram, first female vice chancellor of the Bangladesh University of Engineering and Technology (Buet), passed away at a hospital in Bangkok last night.

She was taken to a Bangkok Hospital from Square Hospital on late Friday night by an air ambulance for better treatment.

Her condition was deteriorated since Monday as her kidneys and other organs did not work properly. She was kept on life support.

She was also fighting against leukemia and breathed her last in Thailand at around 3:00am on Tuesday.

Professor Khaleda Ekram of the Architecture Department was appointed as the vice chancellor (VC) of Bangladesh University of Engineering and Technology on September 11, 2014.

Khaleda is the first female vice chancellor of Buet and the second female vice chancellor of the country.

- See more at: http://en.bbarta24.net/national/2016/05/24/2096#sthash.s8Kh1GF8.dpuf

Khaleda Ekram, first female vice chancellor of the Bangladesh University of Engineering and Technology (Buet), passed away at a hospital in Bangkok last night.

She was taken to a Bangkok Hospital from Square Hospital on late Friday night by an air ambulance for better treatment.

Her condition was deteriorated since Monday as her kidneys and other organs did not work properly. She was kept on life support.

She was also fighting against leukemia and breathed her last in Thailand at around 3:00am on Tuesday.

Professor Khaleda Ekram of the Architecture Department was appointed as the vice chancellor (VC) of Bangladesh University of Engineering and Technology on September 11, 2014.

Khaleda is the first female vice chancellor of Buet and the second female vice chancellor of the country.

- See more at: http://en.bbarta24.net/national/2016/05/24/2096#sthash.s8Kh1GF8.dpuf

BREB Assitant Engineer (Mechanical) questions

Bangladesh Rural Electrification Board (BREB) 

Post: Assistant Engineer (Mechanical)

22) Carbide tipped tools usually have

a) Negative rank angle

b) Positive rank angle

c) Any rake angle

d) No rake angle

23) The type of tool used on lathe, shaper and planer is -

a) Single point cutting tool

b) Two point cutting tool

c) Three point cutting tool

d) Multi point cutting tool

24) The process extensively used for making bolts and nuts is

a) Hot piercing

b) Extrusion

c) Cold peering

d) Cold heading

25) Cold working of metal increases

a) Tensile strength

b) Yield strength

c) Hardness

d) All of above

26) Ball bearings are, usually made from

a) Low carbon steel

b) High Carbon steel

c) High speed steel

d) All of the above

27) Cast Iron has

a) High compressive strength

b) Good wear resistance

c) Excellent machinability

28) The Property of a material which enables it to retain the deformation permeability is called

a) Brittleness

b) Ductility

c) Plasticity

d) Malleability

29) The size of gear is usually specified by

a) Pressure angle

b) Pitch Circle diameter

c) Circular Pitch

d) Tooth thickness

30) A spring is used to

a) Measure forces

b) Apply forces

c) Store energy

d) All of the above

31) An universal coupling is used to connect two shafts

a) Which are perfectly aligned

b) Which are not in exact alignment

c) Have lateral misalignment

d) Whose axes intersect at a small angle

32) The material generally used for air-craft components is

a) Mild steel

b) High Speed steel

c) Stainless Steel

d) Aluminum

33 ) The property of a material which enable it to be drawn into the wire with the application of a tensile force, is called

a) Plasticity

b) Elasticity

c) Ductility

d) Malleability

34) The power from the engine to the rear axle of an automobile is transmitted by

a) Worm and worm wheel

b) Super gears

c) Bevel gears

d) Hook’s joint

35) In Mechanical refrigeration system, the refrigerant has the maximum temperature

a) In evaporator

b) Before expansion valve

c) Between compressor and condenser

d) Between condenser and evaporator

36) The amount of radiation mainly depends upon the

a) Nature of the body

b) Temperature of the body

c) Type of surface of the body

d) All of the above

BREB Asstt. Director (HR) Exam Questions

TITAS Civil Engineering Exam Questions

 Titas Gas Transmission and Distribution Company Ltd.

Exam. Date: 19/12/2014

Civil Engineering, Section- A, Total Marks (70)

Venue: MIST

 Answer All Ten questions.

Q.1.   What is cement? Under which condition and requirements cement is superior to
lime.	(7)
Q.2.    a. Write four physical and four mechanical properties of engineering meterials.	(4)
b. What is slum? Draw a slum cone with dimentions.	(3)
Q.3.   As shown in figure below, in the truss, F= 60 Tons and θ = 250 . Find the external	(7)
Reactions (Components at C) and the force member AB and AD.

 

 

Q.4

	a. Define Evaporation, Evapotranspiration and Sodium Adsorption Ratio (SAR)	(4)
	b. Define BOD. Why COD value is higher than BOD?	(3)
Q.5.	Differentiate between:	(7)
	a. Zenith And Nadir
	b. Segregation and Bleeding
	c. Pipe flow and Open channel flow
	d. Duty and Delta of the Crop
Q.6.	Write Short Note:	(7)
	a. Parallux Error
	b. Traverse Surveying
	c. Curb
	d. Flocculation
Q.7.	Explain the following:	(7)
	a. Buckling of Column
	b. Admixure
	c. Development length of reinforcement bar
	d. TMT 500 steel bar

Q.8.   a. Draw qualitative diagram of given size distribution curve and also show the

		(4.5)
Following curve.
1)	Gap Graded
2)	Well Graded
3)	Poorly Graded
b. According to the unified soil classification system specify the meaning of the		(2.5)
following types of soil:
1)	CL
2)	MH
3)	SP
4)	OL
5)	PT