Answer / dharmendra maurya

in confined space entry minimum o2 19.5% and maximum o2 22%

Answer / diksha singh

this answer is right

Answer / sbaskar

A minimum of 19% is required.Maximum oxygen present in air is 21% only by volume.

Answer / sundar

oxygen need limit between 19.5-23.5%

Answer / badhehm

above 20

Answer / bhanu

limit the person can carry his work in confined space entry 19 to 21%

hello sir..iam keen to sit for iocl interview..please forward sample iocl questions to my id: kunal_kv06@yahoo.co.in

0 Answers   IOCL,

What is a good method of steam tracing large vessels?

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Explain what is a quick way to calculate frictional pressure drops in carbon steel pipe?

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What effect does choking a vertical thermosiphon have on the heat transfer rate?

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Question 57 – There are 2 simultaneous equations : (A1) x + (B1) y = D1 and (A2) x + (B2) y = D2. (a) By using Excel program, find the values of x and y when A1 = 80, A2 = 150, B1 = 52, B2 = 100, D1 = 3.5 and D2 = 2.3. (b) Write the expression of Excel in the form of =MMULT(MINVERSE(W:X),Y:Z) in order to get the values of x and y. W, X, Y and Z may be A1, A2, B1, B2, D1 and D2.

1 Answers  

Question 110 - When an algebraic product is defined on the space, the Lie bracket is the commutator [x,y] = xy - yx according to Lie algebra in mathematics. If [p,x] f(x) = px f(x) - xp f(x), p = -ih d / dx, find the value of [p,x] in term of i and h.

1 Answers  

What diffrence between flush distillation & batch distillation ?

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WHAT ARE THE DISADVANTAGE OF EXTRACTIVE DISTILLATION

3 Answers  

Question 54 - There are 2 alternatives of investment. Choice 1 : A trader offers you an investment opportunity where your investment of A$15000 presently will be A$18000 after 4 years. Choice 2 : A bank offers you 5 % annual return for your initial investment of A$15000. Question a : What is the equivalent bank payment after 4 years? Question b : By using the concept of equivalence in engineering economy, which is the better choice, betwen 1 and 2, that will be more profitable after 4 years?

1 Answers  

What types of pneumatic conveying systems are typically used?

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What are some guidelines for designing for liquid and gas velocities in process plant piping?

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Question 61 – A biochemical trolley of mass 15 kg is towing a trailer of mass 5 kg along a straight horizontal pathway. The trailer and the trolley are connected by a light inextensible tow-bar. The engine of the trolley exerts a driving force of magnitude 100 N. The trailer and the trolley experience resistances of magnitude 10 N and 30 N respectively. (a) Form 2 equations with unknowns T and a, that represents the equilibrium for the 2 systems of the trolley and trailer. (b) Solve the simultaneous equations from the 2 equations that are obtained in part (a) of this question. T is the tension of the tow-bar and a is the acceleration.

1 Answers