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A shopkeeper earns a profit of 15% if he mixes 85 kg of A-type cement with 35 kg of B-type cement and sells the mixture at Rs. 46 per kg. He can increase his profit to 25% if he mixes 65 kg of A-type cement with 35 kg of B-type cement and sells the mixture at Rs. 46.5 per kg. At what price should he sell a mixture of 30 kg A-type cement and 50 kg B-type cement to earn a profit of 75%?
A construction company purchases cement at the rate of Rs. 1,000 per tonne and stores it at Rs. 100 per tonne. It is perceived that in the coming month, the price of cement will rise by Rs. 2,000 per tonne. The company already has 500 tonnes of cement. If the cement usage during a month is 1,000 tonnes, how much cement should the company purchase this month to minimize its expense in the next one?
Consider the following statements: 1) Hydrophobic cement grains possess the low wetting ability 2) Rapid-hardening cement is useful in concreting under static, or running water 3) Quick-setting cement helps the concrete to attain high strength in the initial period 4) White cement is just a variety of ordinary cement-free of coloring oxides. Which of the above statements are correct?
Assertion A : For identical strength, a composite cement-lime mortar is preferred over cement mortar.Reason R : Composite cement-lime mortar has higher drying shrinkage than cement mortar.Select your answer based on the codes given below. Codes:
In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A: Concrete is the most widely used material in existence and is only behind water as the planet's most-consumed resource. B: Cement mixed with fine aggregate produces mortar for masonry, or with sand and gravel, produces concrete. C: Cement is seldom used on its own, but rather to bind sand and gravel (aggregate) together.  D: A cement is a binder, a substance used for construction that sets, hardens, and adheres to other materials to bind them together.
For testing compressive and tensile strength of cement, the cement mortar is made by mixing cement and standard sand in the proportions of
Dalmia Cement (Bharat) has appointed former Lafarge India CEO Ujjwal Batria as the chief operating officer who will be in charge of leading the company's operations of sales & marketing, logistics, manufacturing, logistics, manufacturing and technical services departments. Batria, in his 33 years of building experience has also been associated with Tata Steel (Cement division) , Century Textiles & Industries (Cement division) and Eicher Motors and has held key leadership positions.  Which of the following can be logically inferred from the statement above?
Consider the following statements regarding 'setting of cement': 1. Low-heat cement sets faster than OPC. 2. Final setting time decides the strength of cement. 3. Initial setting time of Portland PozzoIlona is 30 minutes. 4. Air-induced setting is observed when stored under damp conditions. 5. Addition of gypsum retards the setting time. Which of the above statements are correct?
Consider the following statements regarding the 'strength of cement': 1. Strength test on cement is made on cubes of the cement-sand mix. 2. Water to be used for the paste is 0.2P, where P is the water needed for normal consistency. 3. The normal consistency is determined on Le Chatelier's apparatus. 4. Cubes are cast in three layers in leak-proof moulds further compacted in each layer by vibration on a machine. Which of the above statements are correct?
The bar graph given below shows the targeted and actual production (in thousand tonnes) of cement during 2015-2017. In which of the given 5 years, the targeted production of cement was 22.5% higher than the actual average production of cement?