For sintering of green powder compacts of copper, choose the correct statement:
P. Sintering should be done in an inert or reducing atmosphere.
Q. At a given sintering temperature, the rate of shrinkage will be higher for finer powder size.
R. Full density parts can be produced in a finite time by solid state sintering
S. Sintered compacts will have a higher strength than those made by metal working

For sintering of green powder compacts of copper, choose the correct statement:
P. Sintering should be done in an inert or reducing atmosphere.
Q. At a given sintering temperature, the rate of shrinkage will be higher for finer powder size.
R. Full density parts can be produced in a finite time by solid state sintering
S. Sintered compacts will have a higher strength than those made by metal working Correct Answer P, Q

Bissoy MCQ

Related Questions

Which of the following statements are true/false?
1. A minimum rate of wages for the time spent by employees for the production of output is minimum time rate.
2. Minimum piece rate is the rate based on the quantity of the output employees have produced.
3. The guaranteed time rate is a minimum rate of remuneration to apply in the case of employees employed on piece work for the purpose of securing to such employees a minimum rate of wages on a time work basis.
4. A minimum rate of remuneration to apply in the case of employees employed on piece work for the purpose of securing to such employees a minimum rate of wages on a time work basis is overtime rate.
A metal powder with an apparent density of 2.5 g/cm3 was compacted in a cylindrical die to a green density of 5.5 g/cm3, If the height of the green sample was 12 mm, then the fill height of powder (in mm) would have been
The increase in density and strength of powder compacts for a given strip thickness can be achieve by
Defining green banking is relatively easy. It means promoting environment -friendly practices and reducing your carbon footprint from your banking activities. This comes in many forms : using online banking instead of branch banking; paying bills online, opening up CDs (certificates of deposit) and money market accounts at online banks instead of large multi-branch banks. A green bank takes the biggest steps to support local green initiatives. Any combination of the above personal banking practices can help the environment. In this respect, online banks and smaller community banks have better track records than larger banks .However, these larger banks may be induced to go green . According to the passage, larger, multi -branch banks .
Which of the following statements are true/false?
1. In case an employee whose minimum rate of wages is fixed under this Act, works overtime, the employer need not pay the money for the extra hours devoted by the employee.
2. If an employee whose minimum rate of wages has been fixed under this Act, works for a less number of hours than the requisite number of hours on a given day, he shall be entitled to receive wages in respect ofwork done by him on that day as ifhe had worked for a full normal working day.
3. In case an employee is involved in two or more classes of work, he shall be paid on the basis of pieces involved.
4. If an employee is employed on piece work for which minimum time rate and not a minimum piece rate has been fixed under this Act, the employer shall pay to such employee wages at not less than the minimum time rate.
The dependences of the magnetic susceptibility $$\left( \chi \right)$$ of a material with temperature (T) can be represented by $$\chi \propto \frac{1}{{T - \theta }},$$   where θ is the Curie-Weiss temperature. The plot of magnetic susceptibility versus temperature is sketched in the figure, as curves P, Q and R with curve Q having θ = 0. Which one of the following statements is correct?
Solid State Physics mcq question image
In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of thefour alternatives. For me the ______________ and the chill of those nights dissolved into those little flames of fire that for hours made us live in a wonderland, in a ___________ fair of fireflies, and made us _________ theres nothing that can blow those divine lights ________. In my mind I can still hear the jingling sounds of ________ tiny bells that grandma used to ring during the puja. those divine lights ________. In my mind I can
Two men and women are entrusted with a task. The second man needs three hours more to cope up with the job than the second man and the woman would need working together. The first man, working alone, would need as much time as second man and the woman working together. The first man working alone, would spend eight hours less than the double period of the time second man would spend working alone. How much time would the two men and the women need to complete the task if they all asked together?
A liquid phase sintered SiC-Ni composite has a solid-solid grain boundary energy (γSiC-SiC) of 0.80 J.M-2 and a solid-liquid (γSiC-SiC) interfacial energy of 0.45 J.m-2. For a SiC grain size of 20 μm, the average interparticle (SiC-SiC) neck size (in μm) is:
In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of thefour alternatives. For me the ______________ and the chill of those nights dissolved into those little flames of fire that for hours made us live in a wonderland, in a ___________ fair of fireflies, and made us _________ theres nothing that can blow those divine lights ________. In my mind I can still hear the jingling sounds of ________ tiny bells that grandma used to ring during the puja. For me the ______________ and the chill of those nights