Umaru S.

Department of Mechanical Engineering, Ahmadu Bello University, Zaria

2 Publications

Publications 2

Research Article Vol. 7, Issue 1

Fuel properties of biodiesel from neem, cotton and jatropha binary and multi-blends with diese

Kaisan M. U.^*, Anafi F. O., Umaru S., Kulla D. M., Nuszkowski J.

The physico-chemical properties of biodiesel are its specifications that define a set of quality standards. These properties include specific gravity, acid number, viscosity, cetane number, flashpoint, pour point, cloud point, cold filter flogging point, sulphated ash, carbon residue, sulphur content, copper strip corrosion and free fatty acid a...

Jun, 2016 Vol. 7, Issue 1

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Research Article Vol. 7, Issue 1

Effects of garment laundry activities on the slider lock and crosswise strengths of nylon coil zippers

Umaru S.^*, Kaisan M. U., Usman S., Abdulraheem Giwa

Zippers are textile fastening devices which are flexible and operate by moving a slider along two rows of inter-lockable elements. In Nigeria, the polyester and nylon coil type of zippers are the most commonly used and patronized by makers of female garments and dresses. Previous study on the strength of zippers in a region similar to Nigeria sh...

Jun, 2016 Vol. 7, Issue 1

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